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Finding the Fourth Proportional to 145,002.97, 217,504.04 and 39,822.04

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Solution

The fourth proportional to 145,002.97, 217,504.04 and 39,822.04 is: 59,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,002.97 : 217,504.04 = 39,822.04 : x
  2. Step 2: Convert to fraction form
    145,002.97/217,504.04 = 39,822.04/x
  3. Step 3: Cross multiply
    145,002.97x = 217,504.04 × 39,822.04
  4. Step 4: Simplify right side
    145,002.97x = 8,661,453,493.52
  5. Step 5: Solve for x
    x = 8,661,453,493.52/145,002.97
  6. Step 6: Final answer
    x = 59,732.94

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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.