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Finding the Fourth Proportional to 70,855,973.80, 106,095,003.90 and 70,855,973.80

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Solution

The fourth proportional to 70,855,973.80, 106,095,003.90 and 70,855,973.80 is: 106,095,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,855,973.80 : 106,095,003.90 = 70,855,973.80 : x
  2. Step 2: Convert to fraction form
    70,855,973.80/106,095,003.90 = 70,855,973.80/x
  3. Step 3: Cross multiply
    70,855,973.80x = 106,095,003.90 × 70,855,973.80
  4. Step 4: Simplify right side
    70,855,973.80x = 7,517,464,816,649,298
  5. Step 5: Solve for x
    x = 7,517,464,816,649,298/70,855,973.80
  6. Step 6: Final answer
    x = 106,095,003.90

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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.