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Finding the Fourth Proportional to 82,702.61, 124,094.96 and 32,781.63

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Solution

The fourth proportional to 82,702.61, 124,094.96 and 32,781.63 is: 49,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,702.61 : 124,094.96 = 32,781.63 : x
  2. Step 2: Convert to fraction form
    82,702.61/124,094.96 = 32,781.63/x
  3. Step 3: Cross multiply
    82,702.61x = 124,094.96 × 32,781.63
  4. Step 4: Simplify right side
    82,702.61x = 4,068,034,899.68
  5. Step 5: Solve for x
    x = 4,068,034,899.68/82,702.61
  6. Step 6: Final answer
    x = 49,188.72

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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.