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Finding the Fourth Proportional to 175,877.20, 263,815.80 and 63,611.20

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Solution

The fourth proportional to 175,877.20, 263,815.80 and 63,611.20 is: 95,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,877.20 : 263,815.80 = 63,611.20 : x
  2. Step 2: Convert to fraction form
    175,877.20/263,815.80 = 63,611.20/x
  3. Step 3: Cross multiply
    175,877.20x = 263,815.80 × 63,611.20
  4. Step 4: Simplify right side
    175,877.20x = 16,781,639,616.96
  5. Step 5: Solve for x
    x = 16,781,639,616.96/175,877.20
  6. Step 6: Final answer
    x = 95,416.80

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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.