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Finding the Fourth Proportional to 198,269.84, 273,545.76 and 126,691.76

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Solution

The fourth proportional to 198,269.84, 273,545.76 and 126,691.76 is: 174,792.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,269.84 : 273,545.76 = 126,691.76 : x
  2. Step 2: Convert to fraction form
    198,269.84/273,545.76 = 126,691.76/x
  3. Step 3: Cross multiply
    198,269.84x = 273,545.76 × 126,691.76
  4. Step 4: Simplify right side
    198,269.84x = 34,655,993,774.94
  5. Step 5: Solve for x
    x = 34,655,993,774.94/198,269.84
  6. Step 6: Final answer
    x = 174,792.06

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1.5x scale

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.