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Finding the Fourth Proportional to 88,894.30, 133,633.05 and 62,779.90

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Solution

The fourth proportional to 88,894.30, 133,633.05 and 62,779.90 is: 94,375.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,894.30 : 133,633.05 = 62,779.90 : x
  2. Step 2: Convert to fraction form
    88,894.30/133,633.05 = 62,779.90/x
  3. Step 3: Cross multiply
    88,894.30x = 133,633.05 × 62,779.90
  4. Step 4: Simplify right side
    88,894.30x = 8,389,469,515.70
  5. Step 5: Solve for x
    x = 8,389,469,515.70/88,894.30
  6. Step 6: Final answer
    x = 94,375.79

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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.