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Finding the Fourth Proportional to 69,101.27, 103,690.17 and 64,082.10

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Solution

The fourth proportional to 69,101.27, 103,690.17 and 64,082.10 is: 96,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,101.27 : 103,690.17 = 64,082.10 : x
  2. Step 2: Convert to fraction form
    69,101.27/103,690.17 = 64,082.10/x
  3. Step 3: Cross multiply
    69,101.27x = 103,690.17 × 64,082.10
  4. Step 4: Simplify right side
    69,101.27x = 6,644,683,842.96
  5. Step 5: Solve for x
    x = 6,644,683,842.96/69,101.27
  6. Step 6: Final answer
    x = 96,158.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.