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Finding the Fourth Proportional to 150,043.68, 225,078.88 and 43,425.92

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Solution

The fourth proportional to 150,043.68, 225,078.88 and 43,425.92 is: 65,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,043.68 : 225,078.88 = 43,425.92 : x
  2. Step 2: Convert to fraction form
    150,043.68/225,078.88 = 43,425.92/x
  3. Step 3: Cross multiply
    150,043.68x = 225,078.88 × 43,425.92
  4. Step 4: Simplify right side
    150,043.68x = 9,774,257,436.57
  5. Step 5: Solve for x
    x = 9,774,257,436.57/150,043.68
  6. Step 6: Final answer
    x = 65,142.75

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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.