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Finding the Fourth Proportional to 80,234.88, 120,393.30 and 53,599.08

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Solution

The fourth proportional to 80,234.88, 120,393.30 and 53,599.08 is: 80,426.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,234.88 : 120,393.30 = 53,599.08 : x
  2. Step 2: Convert to fraction form
    80,234.88/120,393.30 = 53,599.08/x
  3. Step 3: Cross multiply
    80,234.88x = 120,393.30 × 53,599.08
  4. Step 4: Simplify right side
    80,234.88x = 6,452,970,118.16
  5. Step 5: Solve for x
    x = 6,452,970,118.16/80,234.88
  6. Step 6: Final answer
    x = 80,426.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.