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Finding the Fourth Proportional to 177,711.69, 266,581.31 and 59,383.45

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Solution

The fourth proportional to 177,711.69, 266,581.31 and 59,383.45 is: 89,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,711.69 : 266,581.31 = 59,383.45 : x
  2. Step 2: Convert to fraction form
    177,711.69/266,581.31 = 59,383.45/x
  3. Step 3: Cross multiply
    177,711.69x = 266,581.31 × 59,383.45
  4. Step 4: Simplify right side
    177,711.69x = 15,830,517,893.32
  5. Step 5: Solve for x
    x = 15,830,517,893.32/177,711.69
  6. Step 6: Final answer
    x = 89,079.78

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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.