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Finding the Fourth Proportional to 172,881.59, 238,579.54 and 95,366.14

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Solution

The fourth proportional to 172,881.59, 238,579.54 and 95,366.14 is: 131,606.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,881.59 : 238,579.54 = 95,366.14 : x
  2. Step 2: Convert to fraction form
    172,881.59/238,579.54 = 95,366.14/x
  3. Step 3: Cross multiply
    172,881.59x = 238,579.54 × 95,366.14
  4. Step 4: Simplify right side
    172,881.59x = 22,752,408,977.91
  5. Step 5: Solve for x
    x = 22,752,408,977.91/172,881.59
  6. Step 6: Final answer
    x = 131,606.90

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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.