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Finding the Fourth Proportional to 159,462.54, 239,223.24 and 65,975.58

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Solution

The fourth proportional to 159,462.54, 239,223.24 and 65,975.58 is: 98,975.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,462.54 : 239,223.24 = 65,975.58 : x
  2. Step 2: Convert to fraction form
    159,462.54/239,223.24 = 65,975.58/x
  3. Step 3: Cross multiply
    159,462.54x = 239,223.24 × 65,975.58
  4. Step 4: Simplify right side
    159,462.54x = 15,782,892,008.48
  5. Step 5: Solve for x
    x = 15,782,892,008.48/159,462.54
  6. Step 6: Final answer
    x = 98,975.55

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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.