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Finding the Fourth Proportional to 117,363.62, 176,040.55 and 54,162.74

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Solution

The fourth proportional to 117,363.62, 176,040.55 and 54,162.74 is: 81,241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,363.62 : 176,040.55 = 54,162.74 : x
  2. Step 2: Convert to fraction form
    117,363.62/176,040.55 = 54,162.74/x
  3. Step 3: Cross multiply
    117,363.62x = 176,040.55 × 54,162.74
  4. Step 4: Simplify right side
    117,363.62x = 9,534,839,046.91
  5. Step 5: Solve for x
    x = 9,534,839,046.91/117,363.62
  6. Step 6: Final answer
    x = 81,241.86

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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.