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Finding the Fourth Proportional to 103,925.13, 155,888.02 and 29,044.78

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Solution

The fourth proportional to 103,925.13, 155,888.02 and 29,044.78 is: 43,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,925.13 : 155,888.02 = 29,044.78 : x
  2. Step 2: Convert to fraction form
    103,925.13/155,888.02 = 29,044.78/x
  3. Step 3: Cross multiply
    103,925.13x = 155,888.02 × 29,044.78
  4. Step 4: Simplify right side
    103,925.13x = 4,527,732,320.87
  5. Step 5: Solve for x
    x = 4,527,732,320.87/103,925.13
  6. Step 6: Final answer
    x = 43,567.25

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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.