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Finding the Fourth Proportional to 79,860, 110,207.30 and 44,050.96

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Solution

The fourth proportional to 79,860, 110,207.30 and 44,050.96 is: 60,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,860 : 110,207.30 = 44,050.96 : x
  2. Step 2: Convert to fraction form
    79,860/110,207.30 = 44,050.96/x
  3. Step 3: Cross multiply
    79,860x = 110,207.30 × 44,050.96
  4. Step 4: Simplify right side
    79,860x = 4,854,737,364.01
  5. Step 5: Solve for x
    x = 4,854,737,364.01/79,860
  6. Step 6: Final answer
    x = 60,790.60

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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.