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Finding the Fourth Proportional to 177,573.60, 266,359.68 and 84,144.96

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Solution

The fourth proportional to 177,573.60, 266,359.68 and 84,144.96 is: 126,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,573.60 : 266,359.68 = 84,144.96 : x
  2. Step 2: Convert to fraction form
    177,573.60/266,359.68 = 84,144.96/x
  3. Step 3: Cross multiply
    177,573.60x = 266,359.68 × 84,144.96
  4. Step 4: Simplify right side
    177,573.60x = 22,412,824,619.21
  5. Step 5: Solve for x
    x = 22,412,824,619.21/177,573.60
  6. Step 6: Final answer
    x = 126,217.10

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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.