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Finding the Fourth Proportional to 112,080.70, 167,625.33 and 99,687.70

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Solution

The fourth proportional to 112,080.70, 167,625.33 and 99,687.70 is: 149,090.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,080.70 : 167,625.33 = 99,687.70 : x
  2. Step 2: Convert to fraction form
    112,080.70/167,625.33 = 99,687.70/x
  3. Step 3: Cross multiply
    112,080.70x = 167,625.33 × 99,687.70
  4. Step 4: Simplify right side
    112,080.70x = 16,710,183,609.44
  5. Step 5: Solve for x
    x = 16,710,183,609.44/112,080.70
  6. Step 6: Final answer
    x = 149,090.64

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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.