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Finding the Fourth Proportional to 80,091, 110,525.76 and 48,261.24

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Solution

The fourth proportional to 80,091, 110,525.76 and 48,261.24 is: 66,600.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,091 : 110,525.76 = 48,261.24 : x
  2. Step 2: Convert to fraction form
    80,091/110,525.76 = 48,261.24/x
  3. Step 3: Cross multiply
    80,091x = 110,525.76 × 48,261.24
  4. Step 4: Simplify right side
    80,091x = 5,334,110,229.54
  5. Step 5: Solve for x
    x = 5,334,110,229.54/80,091
  6. Step 6: Final answer
    x = 66,600.62

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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.