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Finding the Fourth Proportional to 89,959.98, 134,944.83 and 23,400.26

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Solution

The fourth proportional to 89,959.98, 134,944.83 and 23,400.26 is: 35,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,959.98 : 134,944.83 = 23,400.26 : x
  2. Step 2: Convert to fraction form
    89,959.98/134,944.83 = 23,400.26/x
  3. Step 3: Cross multiply
    89,959.98x = 134,944.83 × 23,400.26
  4. Step 4: Simplify right side
    89,959.98x = 3,157,743,432.93
  5. Step 5: Solve for x
    x = 3,157,743,432.93/89,959.98
  6. Step 6: Final answer
    x = 35,101.65

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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.