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Finding the Fourth Proportional to 79,227.86, 118,774.08 and 29,298.65

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Solution

The fourth proportional to 79,227.86, 118,774.08 and 29,298.65 is: 43,922.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,227.86 : 118,774.08 = 29,298.65 : x
  2. Step 2: Convert to fraction form
    79,227.86/118,774.08 = 29,298.65/x
  3. Step 3: Cross multiply
    79,227.86x = 118,774.08 × 29,298.65
  4. Step 4: Simplify right side
    79,227.86x = 3,479,919,605.12
  5. Step 5: Solve for x
    x = 3,479,919,605.12/79,227.86
  6. Step 6: Final answer
    x = 43,922.93

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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.