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Finding the Fourth Proportional to 176,552.92, 243,759.42 and 136,196.44

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Solution

The fourth proportional to 176,552.92, 243,759.42 and 136,196.44 is: 188,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,552.92 : 243,759.42 = 136,196.44 : x
  2. Step 2: Convert to fraction form
    176,552.92/243,759.42 = 136,196.44/x
  3. Step 3: Cross multiply
    176,552.92x = 243,759.42 × 136,196.44
  4. Step 4: Simplify right side
    176,552.92x = 33,199,165,220.46
  5. Step 5: Solve for x
    x = 33,199,165,220.46/176,552.92
  6. Step 6: Final answer
    x = 188,040.87

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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.