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Finding the Fourth Proportional to 79,814.73, 119,721.29 and 23,655.27

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Solution

The fourth proportional to 79,814.73, 119,721.29 and 23,655.27 is: 35,482.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,814.73 : 119,721.29 = 23,655.27 : x
  2. Step 2: Convert to fraction form
    79,814.73/119,721.29 = 23,655.27/x
  3. Step 3: Cross multiply
    79,814.73x = 119,721.29 × 23,655.27
  4. Step 4: Simplify right side
    79,814.73x = 2,832,039,321.42
  5. Step 5: Solve for x
    x = 2,832,039,321.42/79,814.73
  6. Step 6: Final answer
    x = 35,482.66

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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.