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Finding the Fourth Proportional to 117,570.56, 176,367.04 and 38,685.44

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Solution

The fourth proportional to 117,570.56, 176,367.04 and 38,685.44 is: 58,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,570.56 : 176,367.04 = 38,685.44 : x
  2. Step 2: Convert to fraction form
    117,570.56/176,367.04 = 38,685.44/x
  3. Step 3: Cross multiply
    117,570.56x = 176,367.04 × 38,685.44
  4. Step 4: Simplify right side
    117,570.56x = 6,822,836,543.90
  5. Step 5: Solve for x
    x = 6,822,836,543.90/117,570.56
  6. Step 6: Final answer
    x = 58,031.85

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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.