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Finding the Fourth Proportional to 199,073.52, 298,545.96 and 65,929.20

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Solution

The fourth proportional to 199,073.52, 298,545.96 and 65,929.20 is: 98,872.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,073.52 : 298,545.96 = 65,929.20 : x
  2. Step 2: Convert to fraction form
    199,073.52/298,545.96 = 65,929.20/x
  3. Step 3: Cross multiply
    199,073.52x = 298,545.96 × 65,929.20
  4. Step 4: Simplify right side
    199,073.52x = 19,682,896,306.03
  5. Step 5: Solve for x
    x = 19,682,896,306.03/199,073.52
  6. Step 6: Final answer
    x = 98,872.50

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1.5x scale

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.