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Finding the Fourth Proportional to 108,052.55, 149,119.02 and 60,308.96

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Solution

The fourth proportional to 108,052.55, 149,119.02 and 60,308.96 is: 83,229.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,052.55 : 149,119.02 = 60,308.96 : x
  2. Step 2: Convert to fraction form
    108,052.55/149,119.02 = 60,308.96/x
  3. Step 3: Cross multiply
    108,052.55x = 149,119.02 × 60,308.96
  4. Step 4: Simplify right side
    108,052.55x = 8,993,212,266.82
  5. Step 5: Solve for x
    x = 8,993,212,266.82/108,052.55
  6. Step 6: Final answer
    x = 83,229.99

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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.