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Finding the Fourth Proportional to 92,035.98, 126,979.12 and 75,010.97

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Solution

The fourth proportional to 92,035.98, 126,979.12 and 75,010.97 is: 103,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,035.98 : 126,979.12 = 75,010.97 : x
  2. Step 2: Convert to fraction form
    92,035.98/126,979.12 = 75,010.97/x
  3. Step 3: Cross multiply
    92,035.98x = 126,979.12 × 75,010.97
  4. Step 4: Simplify right side
    92,035.98x = 9,524,826,960.95
  5. Step 5: Solve for x
    x = 9,524,826,960.95/92,035.98
  6. Step 6: Final answer
    x = 103,490.25

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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.