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Finding the Fourth Proportional to 162,843.40, 224,727.78 and 109,091.80

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Solution

The fourth proportional to 162,843.40, 224,727.78 and 109,091.80 is: 150,549.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,843.40 : 224,727.78 = 109,091.80 : x
  2. Step 2: Convert to fraction form
    162,843.40/224,727.78 = 109,091.80/x
  3. Step 3: Cross multiply
    162,843.40x = 224,727.78 × 109,091.80
  4. Step 4: Simplify right side
    162,843.40x = 24,515,958,030.20
  5. Step 5: Solve for x
    x = 24,515,958,030.20/162,843.40
  6. Step 6: Final answer
    x = 150,549.29

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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.