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Finding the Fourth Proportional to 150,414.40, 225,621.60 and 124,148.80

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Solution

The fourth proportional to 150,414.40, 225,621.60 and 124,148.80 is: 186,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,414.40 : 225,621.60 = 124,148.80 : x
  2. Step 2: Convert to fraction form
    150,414.40/225,621.60 = 124,148.80/x
  3. Step 3: Cross multiply
    150,414.40x = 225,621.60 × 124,148.80
  4. Step 4: Simplify right side
    150,414.40x = 28,010,650,894.08
  5. Step 5: Solve for x
    x = 28,010,650,894.08/150,414.40
  6. Step 6: Final answer
    x = 186,223.20

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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.