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Finding the Fourth Proportional to 108,375.88, 149,226.40 and 94,871.56

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Solution

The fourth proportional to 108,375.88, 149,226.40 and 94,871.56 is: 130,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,375.88 : 149,226.40 = 94,871.56 : x
  2. Step 2: Convert to fraction form
    108,375.88/149,226.40 = 94,871.56/x
  3. Step 3: Cross multiply
    108,375.88x = 149,226.40 × 94,871.56
  4. Step 4: Simplify right side
    108,375.88x = 14,157,341,361.18
  5. Step 5: Solve for x
    x = 14,157,341,361.18/108,375.88
  6. Step 6: Final answer
    x = 130,631.85

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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.