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Finding the Fourth Proportional to 117,770.88, 162,523.68 and 67,470.08

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Solution

The fourth proportional to 117,770.88, 162,523.68 and 67,470.08 is: 93,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,770.88 : 162,523.68 = 67,470.08 : x
  2. Step 2: Convert to fraction form
    117,770.88/162,523.68 = 67,470.08/x
  3. Step 3: Cross multiply
    117,770.88x = 162,523.68 × 67,470.08
  4. Step 4: Simplify right side
    117,770.88x = 10,965,485,691.49
  5. Step 5: Solve for x
    x = 10,965,485,691.49/117,770.88
  6. Step 6: Final answer
    x = 93,108.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.