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Finding the Fourth Proportional to 79,076.96, 118,597.68 and 22,916.96

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Solution

The fourth proportional to 79,076.96, 118,597.68 and 22,916.96 is: 34,370.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,076.96 : 118,597.68 = 22,916.96 : x
  2. Step 2: Convert to fraction form
    79,076.96/118,597.68 = 22,916.96/x
  3. Step 3: Cross multiply
    79,076.96x = 118,597.68 × 22,916.96
  4. Step 4: Simplify right side
    79,076.96x = 2,717,898,288.65
  5. Step 5: Solve for x
    x = 2,717,898,288.65/79,076.96
  6. Step 6: Final answer
    x = 34,370.29

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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.