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Finding the Fourth Proportional to 235,299.70, 324,714 and 127,871.02

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Solution

The fourth proportional to 235,299.70, 324,714 and 127,871.02 is: 176,462.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,299.70 : 324,714 = 127,871.02 : x
  2. Step 2: Convert to fraction form
    235,299.70/324,714 = 127,871.02/x
  3. Step 3: Cross multiply
    235,299.70x = 324,714 × 127,871.02
  4. Step 4: Simplify right side
    235,299.70x = 41,521,510,388.28
  5. Step 5: Solve for x
    x = 41,521,510,388.28/235,299.70
  6. Step 6: Final answer
    x = 176,462.23

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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.