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Finding the Fourth Proportional to 92,657.72, 127,800.08 and 58,671.74

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Solution

The fourth proportional to 92,657.72, 127,800.08 and 58,671.74 is: 80,924.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,657.72 : 127,800.08 = 58,671.74 : x
  2. Step 2: Convert to fraction form
    92,657.72/127,800.08 = 58,671.74/x
  3. Step 3: Cross multiply
    92,657.72x = 127,800.08 × 58,671.74
  4. Step 4: Simplify right side
    92,657.72x = 7,498,253,311.90
  5. Step 5: Solve for x
    x = 7,498,253,311.90/92,657.72
  6. Step 6: Final answer
    x = 80,924.21

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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.