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Finding the Fourth Proportional to 150,283.57, 225,469.28 and 67,158.13

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Solution

The fourth proportional to 150,283.57, 225,469.28 and 67,158.13 is: 100,756.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,283.57 : 225,469.28 = 67,158.13 : x
  2. Step 2: Convert to fraction form
    150,283.57/225,469.28 = 67,158.13/x
  3. Step 3: Cross multiply
    150,283.57x = 225,469.28 × 67,158.13
  4. Step 4: Simplify right side
    150,283.57x = 15,142,094,881.46
  5. Step 5: Solve for x
    x = 15,142,094,881.46/150,283.57
  6. Step 6: Final answer
    x = 100,756.82

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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.