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Finding the Fourth Proportional to 68,873,272,227.45, 103,146,649,665.97 and 68,873,272,227.45

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Solution

The fourth proportional to 68,873,272,227.45, 103,146,649,665.97 and 68,873,272,227.45 is: 103,146,649,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,873,272,227.45 : 103,146,649,665.97 = 68,873,272,227.45 : x
  2. Step 2: Convert to fraction form
    68,873,272,227.45/103,146,649,665.97 = 68,873,272,227.45/x
  3. Step 3: Cross multiply
    68,873,272,227.45x = 103,146,649,665.97 × 68,873,272,227.45
  4. Step 4: Simplify right side
    68,873,272,227.45x = 7,104,047,281,793,765,736,448
  5. Step 5: Solve for x
    x = 7,104,047,281,793,765,736,448/68,873,272,227.45
  6. Step 6: Final answer
    x = 103,146,649,665.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.