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Finding the Fourth Proportional to 92,761.92, 127,950.93 and 58,734.95

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Solution

The fourth proportional to 92,761.92, 127,950.93 and 58,734.95 is: 81,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,761.92 : 127,950.93 = 58,734.95 : x
  2. Step 2: Convert to fraction form
    92,761.92/127,950.93 = 58,734.95/x
  3. Step 3: Cross multiply
    92,761.92x = 127,950.93 × 58,734.95
  4. Step 4: Simplify right side
    92,761.92x = 7,515,190,836.25
  5. Step 5: Solve for x
    x = 7,515,190,836.25/92,761.92
  6. Step 6: Final answer
    x = 81,015.90

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1.5x scale

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.