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Finding the Fourth Proportional to 159,872.52, 220,624.60 and 88,252.37

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Solution

The fourth proportional to 159,872.52, 220,624.60 and 88,252.37 is: 121,788.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,872.52 : 220,624.60 = 88,252.37 : x
  2. Step 2: Convert to fraction form
    159,872.52/220,624.60 = 88,252.37/x
  3. Step 3: Cross multiply
    159,872.52x = 220,624.60 × 88,252.37
  4. Step 4: Simplify right side
    159,872.52x = 19,470,642,727.18
  5. Step 5: Solve for x
    x = 19,470,642,727.18/159,872.52
  6. Step 6: Final answer
    x = 121,788.56

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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.