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Finding the Fourth Proportional to 92,105.28, 127,110.24 and 51,821.64

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Solution

The fourth proportional to 92,105.28, 127,110.24 and 51,821.64 is: 71,516.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,105.28 : 127,110.24 = 51,821.64 : x
  2. Step 2: Convert to fraction form
    92,105.28/127,110.24 = 51,821.64/x
  3. Step 3: Cross multiply
    92,105.28x = 127,110.24 × 51,821.64
  4. Step 4: Simplify right side
    92,105.28x = 6,587,061,097.59
  5. Step 5: Solve for x
    x = 6,587,061,097.59/92,105.28
  6. Step 6: Final answer
    x = 71,516.65

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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.