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Finding the Fourth Proportional to 173,545.48, 260,318.22 and 90,601.48

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Solution

The fourth proportional to 173,545.48, 260,318.22 and 90,601.48 is: 135,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,545.48 : 260,318.22 = 90,601.48 : x
  2. Step 2: Convert to fraction form
    173,545.48/260,318.22 = 90,601.48/x
  3. Step 3: Cross multiply
    173,545.48x = 260,318.22 × 90,601.48
  4. Step 4: Simplify right side
    173,545.48x = 23,585,216,002.97
  5. Step 5: Solve for x
    x = 23,585,216,002.97/173,545.48
  6. Step 6: Final answer
    x = 135,902.22

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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.