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Finding the Fourth Proportional to 162,382.50, 224,072.46 and 90,760.88

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Solution

The fourth proportional to 162,382.50, 224,072.46 and 90,760.88 is: 125,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,382.50 : 224,072.46 = 90,760.88 : x
  2. Step 2: Convert to fraction form
    162,382.50/224,072.46 = 90,760.88/x
  3. Step 3: Cross multiply
    162,382.50x = 224,072.46 × 90,760.88
  4. Step 4: Simplify right side
    162,382.50x = 20,337,013,653.36
  5. Step 5: Solve for x
    x = 20,337,013,653.36/162,382.50
  6. Step 6: Final answer
    x = 125,241.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.