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Finding the Fourth Proportional to 192,332.80, 288,499.16 and 80,010.88

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Solution

The fourth proportional to 192,332.80, 288,499.16 and 80,010.88 is: 120,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,332.80 : 288,499.16 = 80,010.88 : x
  2. Step 2: Convert to fraction form
    192,332.80/288,499.16 = 80,010.88/x
  3. Step 3: Cross multiply
    192,332.80x = 288,499.16 × 80,010.88
  4. Step 4: Simplify right side
    192,332.80x = 23,083,071,670.86
  5. Step 5: Solve for x
    x = 23,083,071,670.86/192,332.80
  6. Step 6: Final answer
    x = 120,016.30

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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.