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Finding the Fourth Proportional to 220,185.16, 330,046.84 and 107,710.12

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Solution

The fourth proportional to 220,185.16, 330,046.84 and 107,710.12 is: 161,452.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,185.16 : 330,046.84 = 107,710.12 : x
  2. Step 2: Convert to fraction form
    220,185.16/330,046.84 = 107,710.12/x
  3. Step 3: Cross multiply
    220,185.16x = 330,046.84 × 107,710.12
  4. Step 4: Simplify right side
    220,185.16x = 35,549,384,742.02
  5. Step 5: Solve for x
    x = 35,549,384,742.02/220,185.16
  6. Step 6: Final answer
    x = 161,452.23

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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.