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Finding the Fourth Proportional to 192,474.32, 288,697.64 and 59,340.69

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Solution

The fourth proportional to 192,474.32, 288,697.64 and 59,340.69 is: 89,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,474.32 : 288,697.64 = 59,340.69 : x
  2. Step 2: Convert to fraction form
    192,474.32/288,697.64 = 59,340.69/x
  3. Step 3: Cross multiply
    192,474.32x = 288,697.64 × 59,340.69
  4. Step 4: Simplify right side
    192,474.32x = 17,131,516,862.27
  5. Step 5: Solve for x
    x = 17,131,516,862.27/192,474.32
  6. Step 6: Final answer
    x = 89,006.77

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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.