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Finding the Fourth Proportional to 235,161.56, 324,524.70 and 127,731.56

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Solution

The fourth proportional to 235,161.56, 324,524.70 and 127,731.56 is: 176,270.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,161.56 : 324,524.70 = 127,731.56 : x
  2. Step 2: Convert to fraction form
    235,161.56/324,524.70 = 127,731.56/x
  3. Step 3: Cross multiply
    235,161.56x = 324,524.70 × 127,731.56
  4. Step 4: Simplify right side
    235,161.56x = 41,452,044,566.91
  5. Step 5: Solve for x
    x = 41,452,044,566.91/235,161.56
  6. Step 6: Final answer
    x = 176,270.49

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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.