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Finding the Fourth Proportional to 159,092.71, 219,526.81 and 98,641.29

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Solution

The fourth proportional to 159,092.71, 219,526.81 and 98,641.29 is: 136,111.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,092.71 : 219,526.81 = 98,641.29 : x
  2. Step 2: Convert to fraction form
    159,092.71/219,526.81 = 98,641.29/x
  3. Step 3: Cross multiply
    159,092.71x = 219,526.81 × 98,641.29
  4. Step 4: Simplify right side
    159,092.71x = 21,654,408,304.61
  5. Step 5: Solve for x
    x = 21,654,408,304.61/159,092.71
  6. Step 6: Final answer
    x = 136,111.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.