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Finding the Fourth Proportional to 124,682.52, 187,040.34 and 45,797.88

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Solution

The fourth proportional to 124,682.52, 187,040.34 and 45,797.88 is: 68,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,682.52 : 187,040.34 = 45,797.88 : x
  2. Step 2: Convert to fraction form
    124,682.52/187,040.34 = 45,797.88/x
  3. Step 3: Cross multiply
    124,682.52x = 187,040.34 × 45,797.88
  4. Step 4: Simplify right side
    124,682.52x = 8,566,051,046.48
  5. Step 5: Solve for x
    x = 8,566,051,046.48/124,682.52
  6. Step 6: Final answer
    x = 68,702.90

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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.