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Finding the Fourth Proportional to 140,672.36, 211,008.72 and 35,499.44

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Solution

The fourth proportional to 140,672.36, 211,008.72 and 35,499.44 is: 53,249.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,672.36 : 211,008.72 = 35,499.44 : x
  2. Step 2: Convert to fraction form
    140,672.36/211,008.72 = 35,499.44/x
  3. Step 3: Cross multiply
    140,672.36x = 211,008.72 × 35,499.44
  4. Step 4: Simplify right side
    140,672.36x = 7,490,691,395.12
  5. Step 5: Solve for x
    x = 7,490,691,395.12/140,672.36
  6. Step 6: Final answer
    x = 53,249.21

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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.