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Finding the Fourth Proportional to 80,656.25, 111,300.36 and 44,844.95

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Solution

The fourth proportional to 80,656.25, 111,300.36 and 44,844.95 is: 61,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,656.25 : 111,300.36 = 44,844.95 : x
  2. Step 2: Convert to fraction form
    80,656.25/111,300.36 = 44,844.95/x
  3. Step 3: Cross multiply
    80,656.25x = 111,300.36 × 44,844.95
  4. Step 4: Simplify right side
    80,656.25x = 4,991,259,079.18
  5. Step 5: Solve for x
    x = 4,991,259,079.18/80,656.25
  6. Step 6: Final answer
    x = 61,883.10

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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.