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Finding the Fourth Proportional to 192,119.84, 288,179.76 and 98,565.92

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Solution

The fourth proportional to 192,119.84, 288,179.76 and 98,565.92 is: 147,848.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,119.84 : 288,179.76 = 98,565.92 : x
  2. Step 2: Convert to fraction form
    192,119.84/288,179.76 = 98,565.92/x
  3. Step 3: Cross multiply
    192,119.84x = 288,179.76 × 98,565.92
  4. Step 4: Simplify right side
    192,119.84x = 28,404,703,169.78
  5. Step 5: Solve for x
    x = 28,404,703,169.78/192,119.84
  6. Step 6: Final answer
    x = 147,848.88

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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.