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Finding the Fourth Proportional to 162,512.65, 224,266.16 and 90,892.61

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Solution

The fourth proportional to 162,512.65, 224,266.16 and 90,892.61 is: 125,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,512.65 : 224,266.16 = 90,892.61 : x
  2. Step 2: Convert to fraction form
    162,512.65/224,266.16 = 90,892.61/x
  3. Step 3: Cross multiply
    162,512.65x = 224,266.16 × 90,892.61
  4. Step 4: Simplify right side
    162,512.65x = 20,384,137,404.97
  5. Step 5: Solve for x
    x = 20,384,137,404.97/162,512.65
  6. Step 6: Final answer
    x = 125,431.08

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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.