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Finding the Fourth Proportional to 192,616.65, 288,955.76 and 59,465.61

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Solution

The fourth proportional to 192,616.65, 288,955.76 and 59,465.61 is: 89,207.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,616.65 : 288,955.76 = 59,465.61 : x
  2. Step 2: Convert to fraction form
    192,616.65/288,955.76 = 59,465.61/x
  3. Step 3: Cross multiply
    192,616.65x = 288,955.76 × 59,465.61
  4. Step 4: Simplify right side
    192,616.65x = 17,182,930,234.09
  5. Step 5: Solve for x
    x = 17,182,930,234.09/192,616.65
  6. Step 6: Final answer
    x = 89,207.92

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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.