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Finding the Fourth Proportional to 200,501.10, 276,691.42 and 119,947.54

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Solution

The fourth proportional to 200,501.10, 276,691.42 and 119,947.54 is: 165,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,501.10 : 276,691.42 = 119,947.54 : x
  2. Step 2: Convert to fraction form
    200,501.10/276,691.42 = 119,947.54/x
  3. Step 3: Cross multiply
    200,501.10x = 276,691.42 × 119,947.54
  4. Step 4: Simplify right side
    200,501.10x = 33,188,455,168.11
  5. Step 5: Solve for x
    x = 33,188,455,168.11/200,501.10
  6. Step 6: Final answer
    x = 165,527.55

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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.