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Finding the Fourth Proportional to 200,417.54, 276,568.10 and 119,889.56

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Solution

The fourth proportional to 200,417.54, 276,568.10 and 119,889.56 is: 165,442.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,417.54 : 276,568.10 = 119,889.56 : x
  2. Step 2: Convert to fraction form
    200,417.54/276,568.10 = 119,889.56/x
  3. Step 3: Cross multiply
    200,417.54x = 276,568.10 × 119,889.56
  4. Step 4: Simplify right side
    200,417.54x = 33,157,627,911.01
  5. Step 5: Solve for x
    x = 33,157,627,911.01/200,417.54
  6. Step 6: Final answer
    x = 165,442.75

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1.5x scale

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.