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Finding the Fourth Proportional to 127,949.00, 176,512.52 and 74,202.89

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Solution

The fourth proportional to 127,949.00, 176,512.52 and 74,202.89 is: 102,366.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,949.00 : 176,512.52 = 74,202.89 : x
  2. Step 2: Convert to fraction form
    127,949.00/176,512.52 = 74,202.89/x
  3. Step 3: Cross multiply
    127,949.00x = 176,512.52 × 74,202.89
  4. Step 4: Simplify right side
    127,949.00x = 13,097,738,408.13
  5. Step 5: Solve for x
    x = 13,097,738,408.13/127,949.00
  6. Step 6: Final answer
    x = 102,366.87

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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.