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Finding the Fourth Proportional to 177,879.13, 266,817.24 and 72,624.29

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Solution

The fourth proportional to 177,879.13, 266,817.24 and 72,624.29 is: 108,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,879.13 : 266,817.24 = 72,624.29 : x
  2. Step 2: Convert to fraction form
    177,879.13/266,817.24 = 72,624.29/x
  3. Step 3: Cross multiply
    177,879.13x = 266,817.24 × 72,624.29
  4. Step 4: Simplify right side
    177,879.13x = 19,377,412,614.76
  5. Step 5: Solve for x
    x = 19,377,412,614.76/177,879.13
  6. Step 6: Final answer
    x = 108,935.84

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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.