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Finding the Fourth Proportional to 177,020.20, 265,703.10 and 88,373.80

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Solution

The fourth proportional to 177,020.20, 265,703.10 and 88,373.80 is: 132,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,020.20 : 265,703.10 = 88,373.80 : x
  2. Step 2: Convert to fraction form
    177,020.20/265,703.10 = 88,373.80/x
  3. Step 3: Cross multiply
    177,020.20x = 265,703.10 × 88,373.80
  4. Step 4: Simplify right side
    177,020.20x = 23,481,192,618.78
  5. Step 5: Solve for x
    x = 23,481,192,618.78/177,020.20
  6. Step 6: Final answer
    x = 132,646.97

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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.