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Finding the Fourth Proportional to 80,590.88, 111,213.21 and 44,779.97

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Solution

The fourth proportional to 80,590.88, 111,213.21 and 44,779.97 is: 61,795.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,590.88 : 111,213.21 = 44,779.97 : x
  2. Step 2: Convert to fraction form
    80,590.88/111,213.21 = 44,779.97/x
  3. Step 3: Cross multiply
    80,590.88x = 111,213.21 × 44,779.97
  4. Step 4: Simplify right side
    80,590.88x = 4,980,124,207.40
  5. Step 5: Solve for x
    x = 4,980,124,207.40/80,590.88
  6. Step 6: Final answer
    x = 61,795.13

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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.