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Finding the Fourth Proportional to 159,095, 219,545.48 and 87,474.52

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Solution

The fourth proportional to 159,095, 219,545.48 and 87,474.52 is: 120,711.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,095 : 219,545.48 = 87,474.52 : x
  2. Step 2: Convert to fraction form
    159,095/219,545.48 = 87,474.52/x
  3. Step 3: Cross multiply
    159,095x = 219,545.48 × 87,474.52
  4. Step 4: Simplify right side
    159,095x = 19,204,635,481.17
  5. Step 5: Solve for x
    x = 19,204,635,481.17/159,095
  6. Step 6: Final answer
    x = 120,711.75

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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.