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Finding the Fourth Proportional to 79,959.75, 110,354.18 and 46,425.75

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Solution

The fourth proportional to 79,959.75, 110,354.18 and 46,425.75 is: 64,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,959.75 : 110,354.18 = 46,425.75 : x
  2. Step 2: Convert to fraction form
    79,959.75/110,354.18 = 46,425.75/x
  3. Step 3: Cross multiply
    79,959.75x = 110,354.18 × 46,425.75
  4. Step 4: Simplify right side
    79,959.75x = 5,123,275,572.14
  5. Step 5: Solve for x
    x = 5,123,275,572.14/79,959.75
  6. Step 6: Final answer
    x = 64,073.18

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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.