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Finding the Fourth Proportional to 177,487.20, 266,425.20 and 111,002.40

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Solution

The fourth proportional to 177,487.20, 266,425.20 and 111,002.40 is: 166,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,487.20 : 266,425.20 = 111,002.40 : x
  2. Step 2: Convert to fraction form
    177,487.20/266,425.20 = 111,002.40/x
  3. Step 3: Cross multiply
    177,487.20x = 266,425.20 × 111,002.40
  4. Step 4: Simplify right side
    177,487.20x = 29,573,836,620.48
  5. Step 5: Solve for x
    x = 29,573,836,620.48/177,487.20
  6. Step 6: Final answer
    x = 166,625.18

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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.