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Finding the Fourth Proportional to 79,065.43, 118,637.10 and 36,948.42

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Solution

The fourth proportional to 79,065.43, 118,637.10 and 36,948.42 is: 55,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,065.43 : 118,637.10 = 36,948.42 : x
  2. Step 2: Convert to fraction form
    79,065.43/118,637.10 = 36,948.42/x
  3. Step 3: Cross multiply
    79,065.43x = 118,637.10 × 36,948.42
  4. Step 4: Simplify right side
    79,065.43x = 4,383,453,398.38
  5. Step 5: Solve for x
    x = 4,383,453,398.38/79,065.43
  6. Step 6: Final answer
    x = 55,440.83

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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.