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Finding the Fourth Proportional to 108,755.56, 150,082.92 and 63,464.68

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Solution

The fourth proportional to 108,755.56, 150,082.92 and 63,464.68 is: 87,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,755.56 : 150,082.92 = 63,464.68 : x
  2. Step 2: Convert to fraction form
    108,755.56/150,082.92 = 63,464.68/x
  3. Step 3: Cross multiply
    108,755.56x = 150,082.92 × 63,464.68
  4. Step 4: Simplify right side
    108,755.56x = 9,524,964,491.27
  5. Step 5: Solve for x
    x = 9,524,964,491.27/108,755.56
  6. Step 6: Final answer
    x = 87,581.40

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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.