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Finding the Fourth Proportional to 239,655.33, 359,433.79 and 113,241.87

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Solution

The fourth proportional to 239,655.33, 359,433.79 and 113,241.87 is: 169,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,655.33 : 359,433.79 = 113,241.87 : x
  2. Step 2: Convert to fraction form
    239,655.33/359,433.79 = 113,241.87/x
  3. Step 3: Cross multiply
    239,655.33x = 359,433.79 × 113,241.87
  4. Step 4: Simplify right side
    239,655.33x = 40,702,954,237.68
  5. Step 5: Solve for x
    x = 40,702,954,237.68/239,655.33
  6. Step 6: Final answer
    x = 169,839.55

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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.