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Finding the Fourth Proportional to 179,112, 247,174.55 and 98,537.79

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Solution

The fourth proportional to 179,112, 247,174.55 and 98,537.79 is: 135,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,112 : 247,174.55 = 98,537.79 : x
  2. Step 2: Convert to fraction form
    179,112/247,174.55 = 98,537.79/x
  3. Step 3: Cross multiply
    179,112x = 247,174.55 × 98,537.79
  4. Step 4: Simplify right side
    179,112x = 24,356,033,901.24
  5. Step 5: Solve for x
    x = 24,356,033,901.24/179,112
  6. Step 6: Final answer
    x = 135,982.14

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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.