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Finding the Fourth Proportional to 79,306.80, 118,967.76 and 26,732.40

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Solution

The fourth proportional to 79,306.80, 118,967.76 and 26,732.40 is: 40,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,306.80 : 118,967.76 = 26,732.40 : x
  2. Step 2: Convert to fraction form
    79,306.80/118,967.76 = 26,732.40/x
  3. Step 3: Cross multiply
    79,306.80x = 118,967.76 × 26,732.40
  4. Step 4: Simplify right side
    79,306.80x = 3,180,293,747.42
  5. Step 5: Solve for x
    x = 3,180,293,747.42/79,306.80
  6. Step 6: Final answer
    x = 40,101.15

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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.