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Finding the Fourth Proportional to 159,877.15, 220,624.63 and 88,256.95

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Solution

The fourth proportional to 159,877.15, 220,624.63 and 88,256.95 is: 121,791.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,877.15 : 220,624.63 = 88,256.95 : x
  2. Step 2: Convert to fraction form
    159,877.15/220,624.63 = 88,256.95/x
  3. Step 3: Cross multiply
    159,877.15x = 220,624.63 × 88,256.95
  4. Step 4: Simplify right side
    159,877.15x = 19,471,656,938.68
  5. Step 5: Solve for x
    x = 19,471,656,938.68/159,877.15
  6. Step 6: Final answer
    x = 121,791.37

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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.