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Finding the Fourth Proportional to 119,545.68, 179,301.56 and 40,648.48

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Solution

The fourth proportional to 119,545.68, 179,301.56 and 40,648.48 is: 60,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,545.68 : 179,301.56 = 40,648.48 : x
  2. Step 2: Convert to fraction form
    119,545.68/179,301.56 = 40,648.48/x
  3. Step 3: Cross multiply
    119,545.68x = 179,301.56 × 40,648.48
  4. Step 4: Simplify right side
    119,545.68x = 7,288,335,875.63
  5. Step 5: Solve for x
    x = 7,288,335,875.63/119,545.68
  6. Step 6: Final answer
    x = 60,966.95

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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.