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Finding the Fourth Proportional to 79,000.91, 118,477.26 and 41,540.66

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Solution

The fourth proportional to 79,000.91, 118,477.26 and 41,540.66 is: 62,298.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,000.91 : 118,477.26 = 41,540.66 : x
  2. Step 2: Convert to fraction form
    79,000.91/118,477.26 = 41,540.66/x
  3. Step 3: Cross multiply
    79,000.91x = 118,477.26 × 41,540.66
  4. Step 4: Simplify right side
    79,000.91x = 4,921,623,575.39
  5. Step 5: Solve for x
    x = 4,921,623,575.39/79,000.91
  6. Step 6: Final answer
    x = 62,298.31

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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.