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Finding the Fourth Proportional to 150,649.40, 225,974.10 and 88,441.40

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Solution

The fourth proportional to 150,649.40, 225,974.10 and 88,441.40 is: 132,662.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,649.40 : 225,974.10 = 88,441.40 : x
  2. Step 2: Convert to fraction form
    150,649.40/225,974.10 = 88,441.40/x
  3. Step 3: Cross multiply
    150,649.40x = 225,974.10 × 88,441.40
  4. Step 4: Simplify right side
    150,649.40x = 19,985,465,767.74
  5. Step 5: Solve for x
    x = 19,985,465,767.74/150,649.40
  6. Step 6: Final answer
    x = 132,662.10

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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.