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Finding the Fourth Proportional to 192,280.98, 288,019.17 and 154,637.58

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Solution

The fourth proportional to 192,280.98, 288,019.17 and 154,637.58 is: 231,632.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,280.98 : 288,019.17 = 154,637.58 : x
  2. Step 2: Convert to fraction form
    192,280.98/288,019.17 = 154,637.58/x
  3. Step 3: Cross multiply
    192,280.98x = 288,019.17 × 154,637.58
  4. Step 4: Simplify right side
    192,280.98x = 44,538,587,442.41
  5. Step 5: Solve for x
    x = 44,538,587,442.41/192,280.98
  6. Step 6: Final answer
    x = 231,632.83

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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.