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Finding the Fourth Proportional to 223,877.60, 335,524.80 and 90,648.80

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Solution

The fourth proportional to 223,877.60, 335,524.80 and 90,648.80 is: 135,855.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,877.60 : 335,524.80 = 90,648.80 : x
  2. Step 2: Convert to fraction form
    223,877.60/335,524.80 = 90,648.80/x
  3. Step 3: Cross multiply
    223,877.60x = 335,524.80 × 90,648.80
  4. Step 4: Simplify right side
    223,877.60x = 30,414,920,490.24
  5. Step 5: Solve for x
    x = 30,414,920,490.24/223,877.60
  6. Step 6: Final answer
    x = 135,855.13

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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.