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Finding the Fourth Proportional to 85,216.80, 127,825.20 and 22,893.60

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Solution

The fourth proportional to 85,216.80, 127,825.20 and 22,893.60 is: 34,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,216.80 : 127,825.20 = 22,893.60 : x
  2. Step 2: Convert to fraction form
    85,216.80/127,825.20 = 22,893.60/x
  3. Step 3: Cross multiply
    85,216.80x = 127,825.20 × 22,893.60
  4. Step 4: Simplify right side
    85,216.80x = 2,926,378,998.72
  5. Step 5: Solve for x
    x = 2,926,378,998.72/85,216.80
  6. Step 6: Final answer
    x = 34,340.40

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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.