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Finding the Fourth Proportional to 67,581.68, 93,274.26 and 39,304.04

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Solution

The fourth proportional to 67,581.68, 93,274.26 and 39,304.04 is: 54,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,581.68 : 93,274.26 = 39,304.04 : x
  2. Step 2: Convert to fraction form
    67,581.68/93,274.26 = 39,304.04/x
  3. Step 3: Cross multiply
    67,581.68x = 93,274.26 × 39,304.04
  4. Step 4: Simplify right side
    67,581.68x = 3,666,055,246.01
  5. Step 5: Solve for x
    x = 3,666,055,246.01/67,581.68
  6. Step 6: Final answer
    x = 54,246.29

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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.