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Finding the Fourth Proportional to 124,818.52, 187,245.46 and 40,551.72

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Solution

The fourth proportional to 124,818.52, 187,245.46 and 40,551.72 is: 60,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,818.52 : 187,245.46 = 40,551.72 : x
  2. Step 2: Convert to fraction form
    124,818.52/187,245.46 = 40,551.72/x
  3. Step 3: Cross multiply
    124,818.52x = 187,245.46 × 40,551.72
  4. Step 4: Simplify right side
    124,818.52x = 7,593,125,465.19
  5. Step 5: Solve for x
    x = 7,593,125,465.19/124,818.52
  6. Step 6: Final answer
    x = 60,833.32

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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.