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Finding the Fourth Proportional to 85,072.86, 127,599.57 and 22,748.22

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Solution

The fourth proportional to 85,072.86, 127,599.57 and 22,748.22 is: 34,119.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,072.86 : 127,599.57 = 22,748.22 : x
  2. Step 2: Convert to fraction form
    85,072.86/127,599.57 = 22,748.22/x
  3. Step 3: Cross multiply
    85,072.86x = 127,599.57 × 22,748.22
  4. Step 4: Simplify right side
    85,072.86x = 2,902,663,090.27
  5. Step 5: Solve for x
    x = 2,902,663,090.27/85,072.86
  6. Step 6: Final answer
    x = 34,119.73

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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.