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Finding the Fourth Proportional to 113,068.80, 169,627.80 and 34,180.97

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Solution

The fourth proportional to 113,068.80, 169,627.80 and 34,180.97 is: 51,278.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,068.80 : 169,627.80 = 34,180.97 : x
  2. Step 2: Convert to fraction form
    113,068.80/169,627.80 = 34,180.97/x
  3. Step 3: Cross multiply
    113,068.80x = 169,627.80 × 34,180.97
  4. Step 4: Simplify right side
    113,068.80x = 5,798,041,894.83
  5. Step 5: Solve for x
    x = 5,798,041,894.83/113,068.80
  6. Step 6: Final answer
    x = 51,278.88

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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.