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Finding the Fourth Proportional to 159,628.52, 220,283.15 and 88,006.70

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Solution

The fourth proportional to 159,628.52, 220,283.15 and 88,006.70 is: 121,446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,628.52 : 220,283.15 = 88,006.70 : x
  2. Step 2: Convert to fraction form
    159,628.52/220,283.15 = 88,006.70/x
  3. Step 3: Cross multiply
    159,628.52x = 220,283.15 × 88,006.70
  4. Step 4: Simplify right side
    159,628.52x = 19,386,393,207.78
  5. Step 5: Solve for x
    x = 19,386,393,207.78/159,628.52
  6. Step 6: Final answer
    x = 121,446.93

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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.