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Finding the Fourth Proportional to 239,667.47, 330,860.96 and 149,052.64

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Solution

The fourth proportional to 239,667.47, 330,860.96 and 149,052.64 is: 205,767.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,667.47 : 330,860.96 = 149,052.64 : x
  2. Step 2: Convert to fraction form
    239,667.47/330,860.96 = 149,052.64/x
  3. Step 3: Cross multiply
    239,667.47x = 330,860.96 × 149,052.64
  4. Step 4: Simplify right side
    239,667.47x = 49,315,699,167.83
  5. Step 5: Solve for x
    x = 49,315,699,167.83/239,667.47
  6. Step 6: Final answer
    x = 205,767.18

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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.