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Finding the Fourth Proportional to 177,599.56, 266,530.80 and 84,105.52

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Solution

The fourth proportional to 177,599.56, 266,530.80 and 84,105.52 is: 126,220.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,599.56 : 266,530.80 = 84,105.52 : x
  2. Step 2: Convert to fraction form
    177,599.56/266,530.80 = 84,105.52/x
  3. Step 3: Cross multiply
    177,599.56x = 266,530.80 × 84,105.52
  4. Step 4: Simplify right side
    177,599.56x = 22,416,711,530.02
  5. Step 5: Solve for x
    x = 22,416,711,530.02/177,599.56
  6. Step 6: Final answer
    x = 126,220.54

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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.