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Finding the Fourth Proportional to 100,244.32, 150,425.64 and 37,108.76

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Solution

The fourth proportional to 100,244.32, 150,425.64 and 37,108.76 is: 55,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,244.32 : 150,425.64 = 37,108.76 : x
  2. Step 2: Convert to fraction form
    100,244.32/150,425.64 = 37,108.76/x
  3. Step 3: Cross multiply
    100,244.32x = 150,425.64 × 37,108.76
  4. Step 4: Simplify right side
    100,244.32x = 5,582,108,972.61
  5. Step 5: Solve for x
    x = 5,582,108,972.61/100,244.32
  6. Step 6: Final answer
    x = 55,685.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.