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Finding the Fourth Proportional to 79,133.81, 118,712.43 and 22,974.38

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Solution

The fourth proportional to 79,133.81, 118,712.43 and 22,974.38 is: 34,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,133.81 : 118,712.43 = 22,974.38 : x
  2. Step 2: Convert to fraction form
    79,133.81/118,712.43 = 22,974.38/x
  3. Step 3: Cross multiply
    79,133.81x = 118,712.43 × 22,974.38
  4. Step 4: Simplify right side
    79,133.81x = 2,727,343,883.98
  5. Step 5: Solve for x
    x = 2,727,343,883.98/79,133.81
  6. Step 6: Final answer
    x = 34,464.97

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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.