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Finding the Fourth Proportional to 68,744.60, 94,866.69 and 38,529.88

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Solution

The fourth proportional to 68,744.60, 94,866.69 and 38,529.88 is: 53,170.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,744.60 : 94,866.69 = 38,529.88 : x
  2. Step 2: Convert to fraction form
    68,744.60/94,866.69 = 38,529.88/x
  3. Step 3: Cross multiply
    68,744.60x = 94,866.69 × 38,529.88
  4. Step 4: Simplify right side
    68,744.60x = 3,655,202,089.02
  5. Step 5: Solve for x
    x = 3,655,202,089.02/68,744.60
  6. Step 6: Final answer
    x = 53,170.75

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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.