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Finding the Fourth Proportional to 80,463.80, 111,014.36 and 46,467.80

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Solution

The fourth proportional to 80,463.80, 111,014.36 and 46,467.80 is: 64,110.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,463.80 : 111,014.36 = 46,467.80 : x
  2. Step 2: Convert to fraction form
    80,463.80/111,014.36 = 46,467.80/x
  3. Step 3: Cross multiply
    80,463.80x = 111,014.36 × 46,467.80
  4. Step 4: Simplify right side
    80,463.80x = 5,158,592,880.76
  5. Step 5: Solve for x
    x = 5,158,592,880.76/80,463.80
  6. Step 6: Final answer
    x = 64,110.73

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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.