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Finding the Fourth Proportional to 177,874.48, 266,685.90 and 89,064.28

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Solution

The fourth proportional to 177,874.48, 266,685.90 and 89,064.28 is: 133,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,874.48 : 266,685.90 = 89,064.28 : x
  2. Step 2: Convert to fraction form
    177,874.48/266,685.90 = 89,064.28/x
  3. Step 3: Cross multiply
    177,874.48x = 266,685.90 × 89,064.28
  4. Step 4: Simplify right side
    177,874.48x = 23,752,187,669.65
  5. Step 5: Solve for x
    x = 23,752,187,669.65/177,874.48
  6. Step 6: Final answer
    x = 133,533.42

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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.