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Finding the Fourth Proportional to 80,244.88, 110,739.51 and 48,012.70

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Solution

The fourth proportional to 80,244.88, 110,739.51 and 48,012.70 is: 66,258.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,244.88 : 110,739.51 = 48,012.70 : x
  2. Step 2: Convert to fraction form
    80,244.88/110,739.51 = 48,012.70/x
  3. Step 3: Cross multiply
    80,244.88x = 110,739.51 × 48,012.70
  4. Step 4: Simplify right side
    80,244.88x = 5,316,902,871.78
  5. Step 5: Solve for x
    x = 5,316,902,871.78/80,244.88
  6. Step 6: Final answer
    x = 66,258.47

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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.