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Finding the Fourth Proportional to 177,626.87, 266,545.34 and 65,385.91

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Solution

The fourth proportional to 177,626.87, 266,545.34 and 65,385.91 is: 98,117.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,626.87 : 266,545.34 = 65,385.91 : x
  2. Step 2: Convert to fraction form
    177,626.87/266,545.34 = 65,385.91/x
  3. Step 3: Cross multiply
    177,626.87x = 266,545.34 × 65,385.91
  4. Step 4: Simplify right side
    177,626.87x = 17,428,309,612.16
  5. Step 5: Solve for x
    x = 17,428,309,612.16/177,626.87
  6. Step 6: Final answer
    x = 98,117.53

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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.