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Finding the Fourth Proportional to 60,092,991.53, 90,139,347.12 and 39,473,584.13

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Solution

The fourth proportional to 60,092,991.53, 90,139,347.12 and 39,473,584.13 is: 59,210,284.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,092,991.53 : 90,139,347.12 = 39,473,584.13 : x
  2. Step 2: Convert to fraction form
    60,092,991.53/90,139,347.12 = 39,473,584.13/x
  3. Step 3: Cross multiply
    60,092,991.53x = 90,139,347.12 × 39,473,584.13
  4. Step 4: Simplify right side
    60,092,991.53x = 3,558,123,101,964,593.50
  5. Step 5: Solve for x
    x = 3,558,123,101,964,593.50/60,092,991.53
  6. Step 6: Final answer
    x = 59,210,284.12

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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.