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Finding the Fourth Proportional to 80,477.80, 111,073.11 and 46,480.18

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Solution

The fourth proportional to 80,477.80, 111,073.11 and 46,480.18 is: 64,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,477.80 : 111,073.11 = 46,480.18 : x
  2. Step 2: Convert to fraction form
    80,477.80/111,073.11 = 46,480.18/x
  3. Step 3: Cross multiply
    80,477.80x = 111,073.11 × 46,480.18
  4. Step 4: Simplify right side
    80,477.80x = 5,162,698,145.96
  5. Step 5: Solve for x
    x = 5,162,698,145.96/80,477.80
  6. Step 6: Final answer
    x = 64,150.59

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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.