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Finding the Fourth Proportional to 192,062.80, 288,055.80 and 92,222.80

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Solution

The fourth proportional to 192,062.80, 288,055.80 and 92,222.80 is: 138,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,062.80 : 288,055.80 = 92,222.80 : x
  2. Step 2: Convert to fraction form
    192,062.80/288,055.80 = 92,222.80/x
  3. Step 3: Cross multiply
    192,062.80x = 288,055.80 × 92,222.80
  4. Step 4: Simplify right side
    192,062.80x = 26,565,312,432.24
  5. Step 5: Solve for x
    x = 26,565,312,432.24/192,062.80
  6. Step 6: Final answer
    x = 138,315.76

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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.