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Finding the Fourth Proportional to 80,860.79, 121,314.57 and 33,467.12

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Solution

The fourth proportional to 80,860.79, 121,314.57 and 33,467.12 is: 50,210.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,860.79 : 121,314.57 = 33,467.12 : x
  2. Step 2: Convert to fraction form
    80,860.79/121,314.57 = 33,467.12/x
  3. Step 3: Cross multiply
    80,860.79x = 121,314.57 × 33,467.12
  4. Step 4: Simplify right side
    80,860.79x = 4,060,048,498.03
  5. Step 5: Solve for x
    x = 4,060,048,498.03/80,860.79
  6. Step 6: Final answer
    x = 50,210.35

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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.