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Finding the Fourth Proportional to 92,485.27, 138,734.17 and 32,506.45

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Solution

The fourth proportional to 92,485.27, 138,734.17 and 32,506.45 is: 48,761.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,485.27 : 138,734.17 = 32,506.45 : x
  2. Step 2: Convert to fraction form
    92,485.27/138,734.17 = 32,506.45/x
  3. Step 3: Cross multiply
    92,485.27x = 138,734.17 × 32,506.45
  4. Step 4: Simplify right side
    92,485.27x = 4,509,755,360.40
  5. Step 5: Solve for x
    x = 4,509,755,360.40/92,485.27
  6. Step 6: Final answer
    x = 48,761.88

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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.