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Finding the Fourth Proportional to 68,795,524.80, 103,193,287.20 and 63,534,258.90

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Solution

The fourth proportional to 68,795,524.80, 103,193,287.20 and 63,534,258.90 is: 95,301,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,795,524.80 : 103,193,287.20 = 63,534,258.90 : x
  2. Step 2: Convert to fraction form
    68,795,524.80/103,193,287.20 = 63,534,258.90/x
  3. Step 3: Cross multiply
    68,795,524.80x = 103,193,287.20 × 63,534,258.90
  4. Step 4: Simplify right side
    68,795,524.80x = 6,556,309,025,706,856
  5. Step 5: Solve for x
    x = 6,556,309,025,706,856/68,795,524.80
  6. Step 6: Final answer
    x = 95,301,388.35

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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.