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Finding the Fourth Proportional to 179,092.08, 247,119.66 and 103,626

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Solution

The fourth proportional to 179,092.08, 247,119.66 and 103,626 is: 142,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,092.08 : 247,119.66 = 103,626 : x
  2. Step 2: Convert to fraction form
    179,092.08/247,119.66 = 103,626/x
  3. Step 3: Cross multiply
    179,092.08x = 247,119.66 × 103,626
  4. Step 4: Simplify right side
    179,092.08x = 25,608,021,887.16
  5. Step 5: Solve for x
    x = 25,608,021,887.16/179,092.08
  6. Step 6: Final answer
    x = 142,988.02

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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.