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Finding the Fourth Proportional to 79,326.65, 119,021.12 and 34,922.24

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Solution

The fourth proportional to 79,326.65, 119,021.12 and 34,922.24 is: 52,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,326.65 : 119,021.12 = 34,922.24 : x
  2. Step 2: Convert to fraction form
    79,326.65/119,021.12 = 34,922.24/x
  3. Step 3: Cross multiply
    79,326.65x = 119,021.12 × 34,922.24
  4. Step 4: Simplify right side
    79,326.65x = 4,156,484,371.61
  5. Step 5: Solve for x
    x = 4,156,484,371.61/79,326.65
  6. Step 6: Final answer
    x = 52,397.08

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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.