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Finding the Fourth Proportional to 158,874.46, 238,311.52 and 40,545.80

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Solution

The fourth proportional to 158,874.46, 238,311.52 and 40,545.80 is: 60,818.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,874.46 : 238,311.52 = 40,545.80 : x
  2. Step 2: Convert to fraction form
    158,874.46/238,311.52 = 40,545.80/x
  3. Step 3: Cross multiply
    158,874.46x = 238,311.52 × 40,545.80
  4. Step 4: Simplify right side
    158,874.46x = 9,662,531,227.62
  5. Step 5: Solve for x
    x = 9,662,531,227.62/158,874.46
  6. Step 6: Final answer
    x = 60,818.66

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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.