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Finding the Fourth Proportional to 110,591.98, 152,496.30 and 74,719.66

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Solution

The fourth proportional to 110,591.98, 152,496.30 and 74,719.66 is: 103,031.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,591.98 : 152,496.30 = 74,719.66 : x
  2. Step 2: Convert to fraction form
    110,591.98/152,496.30 = 74,719.66/x
  3. Step 3: Cross multiply
    110,591.98x = 152,496.30 × 74,719.66
  4. Step 4: Simplify right side
    110,591.98x = 11,394,471,687.26
  5. Step 5: Solve for x
    x = 11,394,471,687.26/110,591.98
  6. Step 6: Final answer
    x = 103,031.63

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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.