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Finding the Fourth Proportional to 85,193.88, 127,826.06 and 35,284.12

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Solution

The fourth proportional to 85,193.88, 127,826.06 and 35,284.12 is: 52,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,193.88 : 127,826.06 = 35,284.12 : x
  2. Step 2: Convert to fraction form
    85,193.88/127,826.06 = 35,284.12/x
  3. Step 3: Cross multiply
    85,193.88x = 127,826.06 × 35,284.12
  4. Step 4: Simplify right side
    85,193.88x = 4,510,230,040.17
  5. Step 5: Solve for x
    x = 4,510,230,040.17/85,193.88
  6. Step 6: Final answer
    x = 52,940.78

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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.