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Finding the Fourth Proportional to 200,591.85, 276,845.13 and 124,135.58

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Solution

The fourth proportional to 200,591.85, 276,845.13 and 124,135.58 is: 171,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,591.85 : 276,845.13 = 124,135.58 : x
  2. Step 2: Convert to fraction form
    200,591.85/276,845.13 = 124,135.58/x
  3. Step 3: Cross multiply
    200,591.85x = 276,845.13 × 124,135.58
  4. Step 4: Simplify right side
    200,591.85x = 34,366,329,398.50
  5. Step 5: Solve for x
    x = 34,366,329,398.50/200,591.85
  6. Step 6: Final answer
    x = 171,324.65

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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.