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Finding the Fourth Proportional to 200,173.49, 276,227.85 and 109,531.22

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Solution

The fourth proportional to 200,173.49, 276,227.85 and 109,531.22 is: 151,146.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,173.49 : 276,227.85 = 109,531.22 : x
  2. Step 2: Convert to fraction form
    200,173.49/276,227.85 = 109,531.22/x
  3. Step 3: Cross multiply
    200,173.49x = 276,227.85 × 109,531.22
  4. Step 4: Simplify right side
    200,173.49x = 30,255,573,408.48
  5. Step 5: Solve for x
    x = 30,255,573,408.48/200,173.49
  6. Step 6: Final answer
    x = 151,146.75

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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.