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Finding the Fourth Proportional to 80,211.99, 110,695.16 and 46,217.84

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Solution

The fourth proportional to 80,211.99, 110,695.16 and 46,217.84 is: 63,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,211.99 : 110,695.16 = 46,217.84 : x
  2. Step 2: Convert to fraction form
    80,211.99/110,695.16 = 46,217.84/x
  3. Step 3: Cross multiply
    80,211.99x = 110,695.16 × 46,217.84
  4. Step 4: Simplify right side
    80,211.99x = 5,116,091,193.65
  5. Step 5: Solve for x
    x = 5,116,091,193.65/80,211.99
  6. Step 6: Final answer
    x = 63,782.13

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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.