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Finding the Fourth Proportional to 159,404, 219,977.52 and 88,748

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Solution

The fourth proportional to 159,404, 219,977.52 and 88,748 is: 122,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,404 : 219,977.52 = 88,748 : x
  2. Step 2: Convert to fraction form
    159,404/219,977.52 = 88,748/x
  3. Step 3: Cross multiply
    159,404x = 219,977.52 × 88,748
  4. Step 4: Simplify right side
    159,404x = 19,522,564,944.96
  5. Step 5: Solve for x
    x = 19,522,564,944.96/159,404
  6. Step 6: Final answer
    x = 122,472.24

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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.