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Finding the Fourth Proportional to 108,114, 149,179.52 and 60,359.68

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Solution

The fourth proportional to 108,114, 149,179.52 and 60,359.68 is: 83,286.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,114 : 149,179.52 = 60,359.68 : x
  2. Step 2: Convert to fraction form
    108,114/149,179.52 = 60,359.68/x
  3. Step 3: Cross multiply
    108,114x = 149,179.52 × 60,359.68
  4. Step 4: Simplify right side
    108,114x = 9,004,428,089.75
  5. Step 5: Solve for x
    x = 9,004,428,089.75/108,114
  6. Step 6: Final answer
    x = 83,286.42

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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.