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Finding the Fourth Proportional to 177,404.80, 266,107.20 and 84,092.80

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Solution

The fourth proportional to 177,404.80, 266,107.20 and 84,092.80 is: 126,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,404.80 : 266,107.20 = 84,092.80 : x
  2. Step 2: Convert to fraction form
    177,404.80/266,107.20 = 84,092.80/x
  3. Step 3: Cross multiply
    177,404.80x = 266,107.20 × 84,092.80
  4. Step 4: Simplify right side
    177,404.80x = 22,377,699,548.16
  5. Step 5: Solve for x
    x = 22,377,699,548.16/177,404.80
  6. Step 6: Final answer
    x = 126,139.20

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1.5x scale

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.