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Finding the Fourth Proportional to 92,034.98, 126,977.74 and 75,009.97

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Solution

The fourth proportional to 92,034.98, 126,977.74 and 75,009.97 is: 103,488.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,034.98 : 126,977.74 = 75,009.97 : x
  2. Step 2: Convert to fraction form
    92,034.98/126,977.74 = 75,009.97/x
  3. Step 3: Cross multiply
    92,034.98x = 126,977.74 × 75,009.97
  4. Step 4: Simplify right side
    92,034.98x = 9,524,596,468.07
  5. Step 5: Solve for x
    x = 9,524,596,468.07/92,034.98
  6. Step 6: Final answer
    x = 103,488.87

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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.