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Finding the Fourth Proportional to 239,241.66, 358,932.66 and 70,766.42

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Solution

The fourth proportional to 239,241.66, 358,932.66 and 70,766.42 is: 106,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,241.66 : 358,932.66 = 70,766.42 : x
  2. Step 2: Convert to fraction form
    239,241.66/358,932.66 = 70,766.42/x
  3. Step 3: Cross multiply
    239,241.66x = 358,932.66 × 70,766.42
  4. Step 4: Simplify right side
    239,241.66x = 25,400,379,369.28
  5. Step 5: Solve for x
    x = 25,400,379,369.28/239,241.66
  6. Step 6: Final answer
    x = 106,170.39

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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.