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Finding the Fourth Proportional to 176,691.24, 243,924.24 and 136,314.36

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Solution

The fourth proportional to 176,691.24, 243,924.24 and 136,314.36 is: 188,183.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,691.24 : 243,924.24 = 136,314.36 : x
  2. Step 2: Convert to fraction form
    176,691.24/243,924.24 = 136,314.36/x
  3. Step 3: Cross multiply
    176,691.24x = 243,924.24 × 136,314.36
  4. Step 4: Simplify right side
    176,691.24x = 33,250,376,664.09
  5. Step 5: Solve for x
    x = 33,250,376,664.09/176,691.24
  6. Step 6: Final answer
    x = 188,183.50

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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.