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Finding the Fourth Proportional to 79,184.52, 109,270.76 and 43,374.69

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Solution

The fourth proportional to 79,184.52, 109,270.76 and 43,374.69 is: 59,854.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,184.52 : 109,270.76 = 43,374.69 : x
  2. Step 2: Convert to fraction form
    79,184.52/109,270.76 = 43,374.69/x
  3. Step 3: Cross multiply
    79,184.52x = 109,270.76 × 43,374.69
  4. Step 4: Simplify right side
    79,184.52x = 4,739,585,124.19
  5. Step 5: Solve for x
    x = 4,739,585,124.19/79,184.52
  6. Step 6: Final answer
    x = 59,854.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.