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Finding the Fourth Proportional to 117,641.67, 176,363.27 and 51,031.62

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Solution

The fourth proportional to 117,641.67, 176,363.27 and 51,031.62 is: 76,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,641.67 : 176,363.27 = 51,031.62 : x
  2. Step 2: Convert to fraction form
    117,641.67/176,363.27 = 51,031.62/x
  3. Step 3: Cross multiply
    117,641.67x = 176,363.27 × 51,031.62
  4. Step 4: Simplify right side
    117,641.67x = 9,000,103,121.44
  5. Step 5: Solve for x
    x = 9,000,103,121.44/117,641.67
  6. Step 6: Final answer
    x = 76,504.38

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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.