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Finding the Fourth Proportional to 177,654.40, 266,044.20 and 84,050.80

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Solution

The fourth proportional to 177,654.40, 266,044.20 and 84,050.80 is: 125,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,654.40 : 266,044.20 = 84,050.80 : x
  2. Step 2: Convert to fraction form
    177,654.40/266,044.20 = 84,050.80/x
  3. Step 3: Cross multiply
    177,654.40x = 266,044.20 × 84,050.80
  4. Step 4: Simplify right side
    177,654.40x = 22,361,227,845.36
  5. Step 5: Solve for x
    x = 22,361,227,845.36/177,654.40
  6. Step 6: Final answer
    x = 125,869.26

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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.