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Finding the Fourth Proportional to 177,924.60, 266,789.70 and 72,624.60

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Solution

The fourth proportional to 177,924.60, 266,789.70 and 72,624.60 is: 108,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,924.60 : 266,789.70 = 72,624.60 : x
  2. Step 2: Convert to fraction form
    177,924.60/266,789.70 = 72,624.60/x
  3. Step 3: Cross multiply
    177,924.60x = 266,789.70 × 72,624.60
  4. Step 4: Simplify right side
    177,924.60x = 19,375,495,246.62
  5. Step 5: Solve for x
    x = 19,375,495,246.62/177,924.60
  6. Step 6: Final answer
    x = 108,897.23

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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.