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Finding the Fourth Proportional to 106,630.38, 160,042.29 and 56,752.47

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Solution

The fourth proportional to 106,630.38, 160,042.29 and 56,752.47 is: 85,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,630.38 : 160,042.29 = 56,752.47 : x
  2. Step 2: Convert to fraction form
    106,630.38/160,042.29 = 56,752.47/x
  3. Step 3: Cross multiply
    106,630.38x = 160,042.29 × 56,752.47
  4. Step 4: Simplify right side
    106,630.38x = 9,082,795,261.96
  5. Step 5: Solve for x
    x = 9,082,795,261.96/106,630.38
  6. Step 6: Final answer
    x = 85,180.18

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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.