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Finding the Fourth Proportional to 92,753.43, 127,999.04 and 51,917.58

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Solution

The fourth proportional to 92,753.43, 127,999.04 and 51,917.58 is: 71,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,753.43 : 127,999.04 = 51,917.58 : x
  2. Step 2: Convert to fraction form
    92,753.43/127,999.04 = 51,917.58/x
  3. Step 3: Cross multiply
    92,753.43x = 127,999.04 × 51,917.58
  4. Step 4: Simplify right side
    92,753.43x = 6,645,400,139.54
  5. Step 5: Solve for x
    x = 6,645,400,139.54/92,753.43
  6. Step 6: Final answer
    x = 71,645.87

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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.