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Finding the Fourth Proportional to 239,617.44, 359,426.70 and 134,444.61

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Solution

The fourth proportional to 239,617.44, 359,426.70 and 134,444.61 is: 201,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,617.44 : 359,426.70 = 134,444.61 : x
  2. Step 2: Convert to fraction form
    239,617.44/359,426.70 = 134,444.61/x
  3. Step 3: Cross multiply
    239,617.44x = 359,426.70 × 134,444.61
  4. Step 4: Simplify right side
    239,617.44x = 48,322,982,505.09
  5. Step 5: Solve for x
    x = 48,322,982,505.09/239,617.44
  6. Step 6: Final answer
    x = 201,667.22

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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.