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Finding the Fourth Proportional to 89,958.33, 134,913.94 and 26,761.46

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Solution

The fourth proportional to 89,958.33, 134,913.94 and 26,761.46 is: 40,135.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,958.33 : 134,913.94 = 26,761.46 : x
  2. Step 2: Convert to fraction form
    89,958.33/134,913.94 = 26,761.46/x
  3. Step 3: Cross multiply
    89,958.33x = 134,913.94 × 26,761.46
  4. Step 4: Simplify right side
    89,958.33x = 3,610,493,267.28
  5. Step 5: Solve for x
    x = 3,610,493,267.28/89,958.33
  6. Step 6: Final answer
    x = 40,135.17

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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.