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Finding the Fourth Proportional to 162,843.30, 224,723.40 and 90,250.84

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Solution

The fourth proportional to 162,843.30, 224,723.40 and 90,250.84 is: 124,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,843.30 : 224,723.40 = 90,250.84 : x
  2. Step 2: Convert to fraction form
    162,843.30/224,723.40 = 90,250.84/x
  3. Step 3: Cross multiply
    162,843.30x = 224,723.40 × 90,250.84
  4. Step 4: Simplify right side
    162,843.30x = 20,281,475,617.66
  5. Step 5: Solve for x
    x = 20,281,475,617.66/162,843.30
  6. Step 6: Final answer
    x = 124,545.96

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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.