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Finding the Fourth Proportional to 90,371.57, 135,566.37 and 33,460.67

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Solution

The fourth proportional to 90,371.57, 135,566.37 and 33,460.67 is: 50,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,371.57 : 135,566.37 = 33,460.67 : x
  2. Step 2: Convert to fraction form
    90,371.57/135,566.37 = 33,460.67/x
  3. Step 3: Cross multiply
    90,371.57x = 135,566.37 × 33,460.67
  4. Step 4: Simplify right side
    90,371.57x = 4,536,141,569.67
  5. Step 5: Solve for x
    x = 4,536,141,569.67/90,371.57
  6. Step 6: Final answer
    x = 50,194.34

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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.