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Finding the Fourth Proportional to 159,862.68, 220,600.98 and 88,240.86

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Solution

The fourth proportional to 159,862.68, 220,600.98 and 88,240.86 is: 121,767.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,862.68 : 220,600.98 = 88,240.86 : x
  2. Step 2: Convert to fraction form
    159,862.68/220,600.98 = 88,240.86/x
  3. Step 3: Cross multiply
    159,862.68x = 220,600.98 × 88,240.86
  4. Step 4: Simplify right side
    159,862.68x = 19,466,020,192.04
  5. Step 5: Solve for x
    x = 19,466,020,192.04/159,862.68
  6. Step 6: Final answer
    x = 121,767.13

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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.