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Finding the Fourth Proportional to 108,107.53, 149,186.82 and 60,361.54

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Solution

The fourth proportional to 108,107.53, 149,186.82 and 60,361.54 is: 83,298.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,107.53 : 149,186.82 = 60,361.54 : x
  2. Step 2: Convert to fraction form
    108,107.53/149,186.82 = 60,361.54/x
  3. Step 3: Cross multiply
    108,107.53x = 149,186.82 × 60,361.54
  4. Step 4: Simplify right side
    108,107.53x = 9,005,146,202.90
  5. Step 5: Solve for x
    x = 9,005,146,202.90/108,107.53
  6. Step 6: Final answer
    x = 83,298.05

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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.