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Finding the Fourth Proportional to 159,569.60, 220,207.58 and 87,952.36

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Solution

The fourth proportional to 159,569.60, 220,207.58 and 87,952.36 is: 121,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,569.60 : 220,207.58 = 87,952.36 : x
  2. Step 2: Convert to fraction form
    159,569.60/220,207.58 = 87,952.36/x
  3. Step 3: Cross multiply
    159,569.60x = 220,207.58 × 87,952.36
  4. Step 4: Simplify right side
    159,569.60x = 19,367,776,350.89
  5. Step 5: Solve for x
    x = 19,367,776,350.89/159,569.60
  6. Step 6: Final answer
    x = 121,375.10

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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.