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Finding the Fourth Proportional to 239,544, 359,211.66 and 68,728.02

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Solution

The fourth proportional to 239,544, 359,211.66 and 68,728.02 is: 103,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,544 : 359,211.66 = 68,728.02 : x
  2. Step 2: Convert to fraction form
    239,544/359,211.66 = 68,728.02/x
  3. Step 3: Cross multiply
    239,544x = 359,211.66 × 68,728.02
  4. Step 4: Simplify right side
    239,544x = 24,687,906,152.71
  5. Step 5: Solve for x
    x = 24,687,906,152.71/239,544
  6. Step 6: Final answer
    x = 103,062.09

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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.