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Finding the Fourth Proportional to 232,754.55, 321,243.08 and 137,255.55

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Solution

The fourth proportional to 232,754.55, 321,243.08 and 137,255.55 is: 189,437.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,754.55 : 321,243.08 = 137,255.55 : x
  2. Step 2: Convert to fraction form
    232,754.55/321,243.08 = 137,255.55/x
  3. Step 3: Cross multiply
    232,754.55x = 321,243.08 × 137,255.55
  4. Step 4: Simplify right side
    232,754.55x = 44,092,394,942.82
  5. Step 5: Solve for x
    x = 44,092,394,942.82/232,754.55
  6. Step 6: Final answer
    x = 189,437.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.