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Finding the Fourth Proportional to 203,686.34, 305,344.83 and 110,082.74

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Solution

The fourth proportional to 203,686.34, 305,344.83 and 110,082.74 is: 165,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,686.34 : 305,344.83 = 110,082.74 : x
  2. Step 2: Convert to fraction form
    203,686.34/305,344.83 = 110,082.74/x
  3. Step 3: Cross multiply
    203,686.34x = 305,344.83 × 110,082.74
  4. Step 4: Simplify right side
    203,686.34x = 33,613,195,531.23
  5. Step 5: Solve for x
    x = 33,613,195,531.23/203,686.34
  6. Step 6: Final answer
    x = 165,024.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.