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Finding the Fourth Proportional to 150,487.34, 225,752.88 and 80,328.38

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Solution

The fourth proportional to 150,487.34, 225,752.88 and 80,328.38 is: 120,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,487.34 : 225,752.88 = 80,328.38 : x
  2. Step 2: Convert to fraction form
    150,487.34/225,752.88 = 80,328.38/x
  3. Step 3: Cross multiply
    150,487.34x = 225,752.88 × 80,328.38
  4. Step 4: Simplify right side
    150,487.34x = 18,134,363,130.73
  5. Step 5: Solve for x
    x = 18,134,363,130.73/150,487.34
  6. Step 6: Final answer
    x = 120,504.24

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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.