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Finding the Fourth Proportional to 84,080.78, 116,026.83 and 48,268.44

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Solution

The fourth proportional to 84,080.78, 116,026.83 and 48,268.44 is: 66,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,080.78 : 116,026.83 = 48,268.44 : x
  2. Step 2: Convert to fraction form
    84,080.78/116,026.83 = 48,268.44/x
  3. Step 3: Cross multiply
    84,080.78x = 116,026.83 × 48,268.44
  4. Step 4: Simplify right side
    84,080.78x = 5,600,434,082.25
  5. Step 5: Solve for x
    x = 5,600,434,082.25/84,080.78
  6. Step 6: Final answer
    x = 66,607.78

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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.