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Finding the Fourth Proportional to 110,711.87, 152,744.29 and 67,118.48

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Solution

The fourth proportional to 110,711.87, 152,744.29 and 67,118.48 is: 92,600.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,711.87 : 152,744.29 = 67,118.48 : x
  2. Step 2: Convert to fraction form
    110,711.87/152,744.29 = 67,118.48/x
  3. Step 3: Cross multiply
    110,711.87x = 152,744.29 × 67,118.48
  4. Step 4: Simplify right side
    110,711.87x = 10,251,964,573.48
  5. Step 5: Solve for x
    x = 10,251,964,573.48/110,711.87
  6. Step 6: Final answer
    x = 92,600.41

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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.