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Finding the Fourth Proportional to 74,613.97, 111,959.84 and 33,051.25

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Solution

The fourth proportional to 74,613.97, 111,959.84 and 33,051.25 is: 49,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,613.97 : 111,959.84 = 33,051.25 : x
  2. Step 2: Convert to fraction form
    74,613.97/111,959.84 = 33,051.25/x
  3. Step 3: Cross multiply
    74,613.97x = 111,959.84 × 33,051.25
  4. Step 4: Simplify right side
    74,613.97x = 3,700,412,661.80
  5. Step 5: Solve for x
    x = 3,700,412,661.80/74,613.97
  6. Step 6: Final answer
    x = 49,594.10

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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.