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Finding the Fourth Proportional to 80,807.00, 111,272.99 and 79,014.74

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Solution

The fourth proportional to 80,807.00, 111,272.99 and 79,014.74 is: 108,805.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,807.00 : 111,272.99 = 79,014.74 : x
  2. Step 2: Convert to fraction form
    80,807.00/111,272.99 = 79,014.74/x
  3. Step 3: Cross multiply
    80,807.00x = 111,272.99 × 79,014.74
  4. Step 4: Simplify right side
    80,807.00x = 8,792,205,422.43
  5. Step 5: Solve for x
    x = 8,792,205,422.43/80,807.00
  6. Step 6: Final answer
    x = 108,805.00

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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.