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Finding the Fourth Proportional to 101,862.30, 152,801.62 and 38,712.68

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Solution

The fourth proportional to 101,862.30, 152,801.62 and 38,712.68 is: 58,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,862.30 : 152,801.62 = 38,712.68 : x
  2. Step 2: Convert to fraction form
    101,862.30/152,801.62 = 38,712.68/x
  3. Step 3: Cross multiply
    101,862.30x = 152,801.62 × 38,712.68
  4. Step 4: Simplify right side
    101,862.30x = 5,915,360,218.54
  5. Step 5: Solve for x
    x = 5,915,360,218.54/101,862.30
  6. Step 6: Final answer
    x = 58,072.13

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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.