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Finding the Fourth Proportional to 177,467.76, 266,046.12 and 66,737.52

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Solution

The fourth proportional to 177,467.76, 266,046.12 and 66,737.52 is: 100,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,467.76 : 266,046.12 = 66,737.52 : x
  2. Step 2: Convert to fraction form
    177,467.76/266,046.12 = 66,737.52/x
  3. Step 3: Cross multiply
    177,467.76x = 266,046.12 × 66,737.52
  4. Step 4: Simplify right side
    177,467.76x = 17,755,258,254.42
  5. Step 5: Solve for x
    x = 17,755,258,254.42/177,467.76
  6. Step 6: Final answer
    x = 100,047.80

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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.