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Finding the Fourth Proportional to 71,888,259.60, 107,832,389.40 and 44,678,480.40

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Solution

The fourth proportional to 71,888,259.60, 107,832,389.40 and 44,678,480.40 is: 67,017,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,888,259.60 : 107,832,389.40 = 44,678,480.40 : x
  2. Step 2: Convert to fraction form
    71,888,259.60/107,832,389.40 = 44,678,480.40/x
  3. Step 3: Cross multiply
    71,888,259.60x = 107,832,389.40 × 44,678,480.40
  4. Step 4: Simplify right side
    71,888,259.60x = 4,817,787,296,293,068
  5. Step 5: Solve for x
    x = 4,817,787,296,293,068/71,888,259.60
  6. Step 6: Final answer
    x = 67,017,720.60

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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.