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Finding the Fourth Proportional to 113,825.52, 157,079.30 and 63,524.52

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Solution

The fourth proportional to 113,825.52, 157,079.30 and 63,524.52 is: 87,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,825.52 : 157,079.30 = 63,524.52 : x
  2. Step 2: Convert to fraction form
    113,825.52/157,079.30 = 63,524.52/x
  3. Step 3: Cross multiply
    113,825.52x = 157,079.30 × 63,524.52
  4. Step 4: Simplify right side
    113,825.52x = 9,978,387,134.44
  5. Step 5: Solve for x
    x = 9,978,387,134.44/113,825.52
  6. Step 6: Final answer
    x = 87,663.88

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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.