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Finding the Fourth Proportional to 233,121.76, 321,706.56 and 132,519.76

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Solution

The fourth proportional to 233,121.76, 321,706.56 and 132,519.76 is: 182,876.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,121.76 : 321,706.56 = 132,519.76 : x
  2. Step 2: Convert to fraction form
    233,121.76/321,706.56 = 132,519.76/x
  3. Step 3: Cross multiply
    233,121.76x = 321,706.56 × 132,519.76
  4. Step 4: Simplify right side
    233,121.76x = 42,632,476,121.63
  5. Step 5: Solve for x
    x = 42,632,476,121.63/233,121.76
  6. Step 6: Final answer
    x = 182,876.43

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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.