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Finding the Fourth Proportional to 227,173.48, 340,763.78 and 67,265.64

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Solution

The fourth proportional to 227,173.48, 340,763.78 and 67,265.64 is: 100,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,173.48 : 340,763.78 = 67,265.64 : x
  2. Step 2: Convert to fraction form
    227,173.48/340,763.78 = 67,265.64/x
  3. Step 3: Cross multiply
    227,173.48x = 340,763.78 × 67,265.64
  4. Step 4: Simplify right side
    227,173.48x = 22,921,693,750.52
  5. Step 5: Solve for x
    x = 22,921,693,750.52/227,173.48
  6. Step 6: Final answer
    x = 100,899.51

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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.