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Finding the Fourth Proportional to 66,049,607.20, 99,074,410.80 and 22,904,471.20

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Solution

The fourth proportional to 66,049,607.20, 99,074,410.80 and 22,904,471.20 is: 34,356,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,049,607.20 : 99,074,410.80 = 22,904,471.20 : x
  2. Step 2: Convert to fraction form
    66,049,607.20/99,074,410.80 = 22,904,471.20/x
  3. Step 3: Cross multiply
    66,049,607.20x = 99,074,410.80 × 22,904,471.20
  4. Step 4: Simplify right side
    66,049,607.20x = 2,269,246,988,825,569
  5. Step 5: Solve for x
    x = 2,269,246,988,825,569/66,049,607.20
  6. Step 6: Final answer
    x = 34,356,706.80

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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.