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Finding the Fourth Proportional to 192,490.71, 288,767.20 and 59,339.83

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Solution

The fourth proportional to 192,490.71, 288,767.20 and 59,339.83 is: 89,019.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,490.71 : 288,767.20 = 59,339.83 : x
  2. Step 2: Convert to fraction form
    192,490.71/288,767.20 = 59,339.83/x
  3. Step 3: Cross multiply
    192,490.71x = 288,767.20 × 59,339.83
  4. Step 4: Simplify right side
    192,490.71x = 17,135,396,557.58
  5. Step 5: Solve for x
    x = 17,135,396,557.58/192,490.71
  6. Step 6: Final answer
    x = 89,019.34

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1.5x scale

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.