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Finding the Fourth Proportional to 79,338, 119,002.16 and 32,589.68

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Solution

The fourth proportional to 79,338, 119,002.16 and 32,589.68 is: 48,882.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,338 : 119,002.16 = 32,589.68 : x
  2. Step 2: Convert to fraction form
    79,338/119,002.16 = 32,589.68/x
  3. Step 3: Cross multiply
    79,338x = 119,002.16 × 32,589.68
  4. Step 4: Simplify right side
    79,338x = 3,878,242,313.71
  5. Step 5: Solve for x
    x = 3,878,242,313.71/79,338
  6. Step 6: Final answer
    x = 48,882.53

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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.