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Finding the Fourth Proportional to 80,294.78, 110,762.14 and 63,236.18

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Solution

The fourth proportional to 80,294.78, 110,762.14 and 63,236.18 is: 87,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,294.78 : 110,762.14 = 63,236.18 : x
  2. Step 2: Convert to fraction form
    80,294.78/110,762.14 = 63,236.18/x
  3. Step 3: Cross multiply
    80,294.78x = 110,762.14 × 63,236.18
  4. Step 4: Simplify right side
    80,294.78x = 7,004,174,622.23
  5. Step 5: Solve for x
    x = 7,004,174,622.23/80,294.78
  6. Step 6: Final answer
    x = 87,230.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.