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Finding the Fourth Proportional to 232,067.80, 348,117.90 and 91,808.20

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Solution

The fourth proportional to 232,067.80, 348,117.90 and 91,808.20 is: 137,718.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,067.80 : 348,117.90 = 91,808.20 : x
  2. Step 2: Convert to fraction form
    232,067.80/348,117.90 = 91,808.20/x
  3. Step 3: Cross multiply
    232,067.80x = 348,117.90 × 91,808.20
  4. Step 4: Simplify right side
    232,067.80x = 31,960,077,786.78
  5. Step 5: Solve for x
    x = 31,960,077,786.78/232,067.80
  6. Step 6: Final answer
    x = 137,718.71

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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.