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Finding the Fourth Proportional to 239,833.15, 359,687.08 and 71,308.10

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Solution

The fourth proportional to 239,833.15, 359,687.08 and 71,308.10 is: 106,943.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,833.15 : 359,687.08 = 71,308.10 : x
  2. Step 2: Convert to fraction form
    239,833.15/359,687.08 = 71,308.10/x
  3. Step 3: Cross multiply
    239,833.15x = 359,687.08 × 71,308.10
  4. Step 4: Simplify right side
    239,833.15x = 25,648,601,234.46
  5. Step 5: Solve for x
    x = 25,648,601,234.46/239,833.15
  6. Step 6: Final answer
    x = 106,943.52

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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.