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Finding the Fourth Proportional to 80,056.91, 110,493.77 and 52,785.02

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Solution

The fourth proportional to 80,056.91, 110,493.77 and 52,785.02 is: 72,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,056.91 : 110,493.77 = 52,785.02 : x
  2. Step 2: Convert to fraction form
    80,056.91/110,493.77 = 52,785.02/x
  3. Step 3: Cross multiply
    80,056.91x = 110,493.77 × 52,785.02
  4. Step 4: Simplify right side
    80,056.91x = 5,832,415,859.33
  5. Step 5: Solve for x
    x = 5,832,415,859.33/80,056.91
  6. Step 6: Final answer
    x = 72,853.37

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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.