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Finding the Fourth Proportional to 218,936.52, 302,132.84 and 118,334.52

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Solution

The fourth proportional to 218,936.52, 302,132.84 and 118,334.52 is: 163,301.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,936.52 : 302,132.84 = 118,334.52 : x
  2. Step 2: Convert to fraction form
    218,936.52/302,132.84 = 118,334.52/x
  3. Step 3: Cross multiply
    218,936.52x = 302,132.84 × 118,334.52
  4. Step 4: Simplify right side
    218,936.52x = 35,752,744,005.96
  5. Step 5: Solve for x
    x = 35,752,744,005.96/218,936.52
  6. Step 6: Final answer
    x = 163,301.87

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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.