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Finding the Fourth Proportional to 85,212.93, 127,820.21 and 22,883.43

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Solution

The fourth proportional to 85,212.93, 127,820.21 and 22,883.43 is: 34,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,212.93 : 127,820.21 = 22,883.43 : x
  2. Step 2: Convert to fraction form
    85,212.93/127,820.21 = 22,883.43/x
  3. Step 3: Cross multiply
    85,212.93x = 127,820.21 × 22,883.43
  4. Step 4: Simplify right side
    85,212.93x = 2,924,964,713.70
  5. Step 5: Solve for x
    x = 2,924,964,713.70/85,212.93
  6. Step 6: Final answer
    x = 34,325.36

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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.