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Finding the Fourth Proportional to 159,873.94, 220,627.56 and 88,252.42

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Solution

The fourth proportional to 159,873.94, 220,627.56 and 88,252.42 is: 121,789.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,873.94 : 220,627.56 = 88,252.42 : x
  2. Step 2: Convert to fraction form
    159,873.94/220,627.56 = 88,252.42/x
  3. Step 3: Cross multiply
    159,873.94x = 220,627.56 × 88,252.42
  4. Step 4: Simplify right side
    159,873.94x = 19,470,916,088.70
  5. Step 5: Solve for x
    x = 19,470,916,088.70/159,873.94
  6. Step 6: Final answer
    x = 121,789.18

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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.