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Finding the Fourth Proportional to 73,545.92, 110,323.06 and 20,959.52

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Solution

The fourth proportional to 73,545.92, 110,323.06 and 20,959.52 is: 31,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,545.92 : 110,323.06 = 20,959.52 : x
  2. Step 2: Convert to fraction form
    73,545.92/110,323.06 = 20,959.52/x
  3. Step 3: Cross multiply
    73,545.92x = 110,323.06 × 20,959.52
  4. Step 4: Simplify right side
    73,545.92x = 2,312,318,382.53
  5. Step 5: Solve for x
    x = 2,312,318,382.53/73,545.92
  6. Step 6: Final answer
    x = 31,440.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.