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Finding the Fourth Proportional to 80,498.88, 111,110.40 and 52,202.88

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Solution

The fourth proportional to 80,498.88, 111,110.40 and 52,202.88 is: 72,054.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,498.88 : 111,110.40 = 52,202.88 : x
  2. Step 2: Convert to fraction form
    80,498.88/111,110.40 = 52,202.88/x
  3. Step 3: Cross multiply
    80,498.88x = 111,110.40 × 52,202.88
  4. Step 4: Simplify right side
    80,498.88x = 5,800,282,877.95
  5. Step 5: Solve for x
    x = 5,800,282,877.95/80,498.88
  6. Step 6: Final answer
    x = 72,054.21

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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.