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Finding the Fourth Proportional to 123,550.14, 185,197.90 and 48,639.90

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Solution

The fourth proportional to 123,550.14, 185,197.90 and 48,639.90 is: 72,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,550.14 : 185,197.90 = 48,639.90 : x
  2. Step 2: Convert to fraction form
    123,550.14/185,197.90 = 48,639.90/x
  3. Step 3: Cross multiply
    123,550.14x = 185,197.90 × 48,639.90
  4. Step 4: Simplify right side
    123,550.14x = 9,008,007,336.21
  5. Step 5: Solve for x
    x = 9,008,007,336.21/123,550.14
  6. Step 6: Final answer
    x = 72,909.73

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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.