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Finding the Fourth Proportional to 60,194,722.74, 90,268,978.59 and 25,629,209.88

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Solution

The fourth proportional to 60,194,722.74, 90,268,978.59 and 25,629,209.88 is: 38,433,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,194,722.74 : 90,268,978.59 = 25,629,209.88 : x
  2. Step 2: Convert to fraction form
    60,194,722.74/90,268,978.59 = 25,629,209.88/x
  3. Step 3: Cross multiply
    60,194,722.74x = 90,268,978.59 × 25,629,209.88
  4. Step 4: Simplify right side
    60,194,722.74x = 2,313,522,597,936,336.50
  5. Step 5: Solve for x
    x = 2,313,522,597,936,336.50/60,194,722.74
  6. Step 6: Final answer
    x = 38,433,977.14

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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.