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Finding the Fourth Proportional to 68,207.36, 94,123.04 and 37,991.04

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Solution

The fourth proportional to 68,207.36, 94,123.04 and 37,991.04 is: 52,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,207.36 : 94,123.04 = 37,991.04 : x
  2. Step 2: Convert to fraction form
    68,207.36/94,123.04 = 37,991.04/x
  3. Step 3: Cross multiply
    68,207.36x = 94,123.04 × 37,991.04
  4. Step 4: Simplify right side
    68,207.36x = 3,575,832,177.56
  5. Step 5: Solve for x
    x = 3,575,832,177.56/68,207.36
  6. Step 6: Final answer
    x = 52,425.90

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1.5x scale

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.