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Finding the Fourth Proportional to 224,540.88, 336,865.16 and 74,782.44

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Solution

The fourth proportional to 224,540.88, 336,865.16 and 74,782.44 is: 112,191.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,540.88 : 336,865.16 = 74,782.44 : x
  2. Step 2: Convert to fraction form
    224,540.88/336,865.16 = 74,782.44/x
  3. Step 3: Cross multiply
    224,540.88x = 336,865.16 × 74,782.44
  4. Step 4: Simplify right side
    224,540.88x = 25,191,598,615.79
  5. Step 5: Solve for x
    x = 25,191,598,615.79/224,540.88
  6. Step 6: Final answer
    x = 112,191.59

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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.