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Finding the Fourth Proportional to 79,480, 119,274.68 and 32,732.88

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Solution

The fourth proportional to 79,480, 119,274.68 and 32,732.88 is: 49,121.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,480 : 119,274.68 = 32,732.88 : x
  2. Step 2: Convert to fraction form
    79,480/119,274.68 = 32,732.88/x
  3. Step 3: Cross multiply
    79,480x = 119,274.68 × 32,732.88
  4. Step 4: Simplify right side
    79,480x = 3,904,203,787.48
  5. Step 5: Solve for x
    x = 3,904,203,787.48/79,480
  6. Step 6: Final answer
    x = 49,121.84

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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.