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Finding the Fourth Proportional to 69,464.73, 104,238 and 48,134.19

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Solution

The fourth proportional to 69,464.73, 104,238 and 48,134.19 is: 72,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,464.73 : 104,238 = 48,134.19 : x
  2. Step 2: Convert to fraction form
    69,464.73/104,238 = 48,134.19/x
  3. Step 3: Cross multiply
    69,464.73x = 104,238 × 48,134.19
  4. Step 4: Simplify right side
    69,464.73x = 5,017,411,697.22
  5. Step 5: Solve for x
    x = 5,017,411,697.22/69,464.73
  6. Step 6: Final answer
    x = 72,229.63

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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.