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Finding the Fourth Proportional to 123,400.88, 185,101.32 and 29,906.63

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Solution

The fourth proportional to 123,400.88, 185,101.32 and 29,906.63 is: 44,859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,400.88 : 185,101.32 = 29,906.63 : x
  2. Step 2: Convert to fraction form
    123,400.88/185,101.32 = 29,906.63/x
  3. Step 3: Cross multiply
    123,400.88x = 185,101.32 × 29,906.63
  4. Step 4: Simplify right side
    123,400.88x = 5,535,757,443.49
  5. Step 5: Solve for x
    x = 5,535,757,443.49/123,400.88
  6. Step 6: Final answer
    x = 44,859.95

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1.5x scale

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.