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Finding the Fourth Proportional to 235,046.70, 324,363.42 and 127,615.86

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Solution

The fourth proportional to 235,046.70, 324,363.42 and 127,615.86 is: 176,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,046.70 : 324,363.42 = 127,615.86 : x
  2. Step 2: Convert to fraction form
    235,046.70/324,363.42 = 127,615.86/x
  3. Step 3: Cross multiply
    235,046.70x = 324,363.42 × 127,615.86
  4. Step 4: Simplify right side
    235,046.70x = 41,393,916,795.84
  5. Step 5: Solve for x
    x = 41,393,916,795.84/235,046.70
  6. Step 6: Final answer
    x = 176,109.33

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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.