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Finding the Fourth Proportional to 159,324.69, 239,023.04 and 52,708.40

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Solution

The fourth proportional to 159,324.69, 239,023.04 and 52,708.40 is: 79,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,324.69 : 239,023.04 = 52,708.40 : x
  2. Step 2: Convert to fraction form
    159,324.69/239,023.04 = 52,708.40/x
  3. Step 3: Cross multiply
    159,324.69x = 239,023.04 × 52,708.40
  4. Step 4: Simplify right side
    159,324.69x = 12,598,521,535.75
  5. Step 5: Solve for x
    x = 12,598,521,535.75/159,324.69
  6. Step 6: Final answer
    x = 79,074.51

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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.