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Finding the Fourth Proportional to 80,170.64, 110,627.95 and 54,276.51

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Solution

The fourth proportional to 80,170.64, 110,627.95 and 54,276.51 is: 74,896.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,170.64 : 110,627.95 = 54,276.51 : x
  2. Step 2: Convert to fraction form
    80,170.64/110,627.95 = 54,276.51/x
  3. Step 3: Cross multiply
    80,170.64x = 110,627.95 × 54,276.51
  4. Step 4: Simplify right side
    80,170.64x = 6,004,498,991.22
  5. Step 5: Solve for x
    x = 6,004,498,991.22/80,170.64
  6. Step 6: Final answer
    x = 74,896.48

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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.