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Finding the Fourth Proportional to 177,715.32, 266,619.70 and 63,874.61

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Solution

The fourth proportional to 177,715.32, 266,619.70 and 63,874.61 is: 95,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,715.32 : 266,619.70 = 63,874.61 : x
  2. Step 2: Convert to fraction form
    177,715.32/266,619.70 = 63,874.61/x
  3. Step 3: Cross multiply
    177,715.32x = 266,619.70 × 63,874.61
  4. Step 4: Simplify right side
    177,715.32x = 17,030,229,102.39
  5. Step 5: Solve for x
    x = 17,030,229,102.39/177,715.32
  6. Step 6: Final answer
    x = 95,828.71

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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.