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Finding the Fourth Proportional to 150,617.40, 225,926.10 and 45,422.70

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Solution

The fourth proportional to 150,617.40, 225,926.10 and 45,422.70 is: 68,134.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,617.40 : 225,926.10 = 45,422.70 : x
  2. Step 2: Convert to fraction form
    150,617.40/225,926.10 = 45,422.70/x
  3. Step 3: Cross multiply
    150,617.40x = 225,926.10 × 45,422.70
  4. Step 4: Simplify right side
    150,617.40x = 10,262,173,462.47
  5. Step 5: Solve for x
    x = 10,262,173,462.47/150,617.40
  6. Step 6: Final answer
    x = 68,134.05

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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.