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Finding the Fourth Proportional to 159,877.95, 220,633.08 and 88,256.43

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Solution

The fourth proportional to 159,877.95, 220,633.08 and 88,256.43 is: 121,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,877.95 : 220,633.08 = 88,256.43 : x
  2. Step 2: Convert to fraction form
    159,877.95/220,633.08 = 88,256.43/x
  3. Step 3: Cross multiply
    159,877.95x = 220,633.08 × 88,256.43
  4. Step 4: Simplify right side
    159,877.95x = 19,472,287,980.70
  5. Step 5: Solve for x
    x = 19,472,287,980.70/159,877.95
  6. Step 6: Final answer
    x = 121,794.71

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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.