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Finding the Fourth Proportional to 150,639.59, 225,960.69 and 38,319.92

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Solution

The fourth proportional to 150,639.59, 225,960.69 and 38,319.92 is: 57,480.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,639.59 : 225,960.69 = 38,319.92 : x
  2. Step 2: Convert to fraction form
    150,639.59/225,960.69 = 38,319.92/x
  3. Step 3: Cross multiply
    150,639.59x = 225,960.69 × 38,319.92
  4. Step 4: Simplify right side
    150,639.59x = 8,658,795,563.94
  5. Step 5: Solve for x
    x = 8,658,795,563.94/150,639.59
  6. Step 6: Final answer
    x = 57,480.21

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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.