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Finding the Fourth Proportional to 100,773.70, 151,108.26 and 29,687.11

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Solution

The fourth proportional to 100,773.70, 151,108.26 and 29,687.11 is: 44,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,773.70 : 151,108.26 = 29,687.11 : x
  2. Step 2: Convert to fraction form
    100,773.70/151,108.26 = 29,687.11/x
  3. Step 3: Cross multiply
    100,773.70x = 151,108.26 × 29,687.11
  4. Step 4: Simplify right side
    100,773.70x = 4,485,967,536.53
  5. Step 5: Solve for x
    x = 4,485,967,536.53/100,773.70
  6. Step 6: Final answer
    x = 44,515.26

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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.