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Finding the Fourth Proportional to 150,624.40, 225,936.60 and 45,429.70

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Solution

The fourth proportional to 150,624.40, 225,936.60 and 45,429.70 is: 68,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,624.40 : 225,936.60 = 45,429.70 : x
  2. Step 2: Convert to fraction form
    150,624.40/225,936.60 = 45,429.70/x
  3. Step 3: Cross multiply
    150,624.40x = 225,936.60 × 45,429.70
  4. Step 4: Simplify right side
    150,624.40x = 10,264,231,957.02
  5. Step 5: Solve for x
    x = 10,264,231,957.02/150,624.40
  6. Step 6: Final answer
    x = 68,144.55

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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.