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Finding the Fourth Proportional to 108,732.44, 150,051.04 and 63,441.56

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Solution

The fourth proportional to 108,732.44, 150,051.04 and 63,441.56 is: 87,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,732.44 : 150,051.04 = 63,441.56 : x
  2. Step 2: Convert to fraction form
    108,732.44/150,051.04 = 63,441.56/x
  3. Step 3: Cross multiply
    108,732.44x = 150,051.04 × 63,441.56
  4. Step 4: Simplify right side
    108,732.44x = 9,519,472,057.22
  5. Step 5: Solve for x
    x = 9,519,472,057.22/108,732.44
  6. Step 6: Final answer
    x = 87,549.51

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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.