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Finding the Fourth Proportional to 143,967.52, 215,992.78 and 44,142.44

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Solution

The fourth proportional to 143,967.52, 215,992.78 and 44,142.44 is: 66,226.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,967.52 : 215,992.78 = 44,142.44 : x
  2. Step 2: Convert to fraction form
    143,967.52/215,992.78 = 44,142.44/x
  3. Step 3: Cross multiply
    143,967.52x = 215,992.78 × 44,142.44
  4. Step 4: Simplify right side
    143,967.52x = 9,534,448,331.58
  5. Step 5: Solve for x
    x = 9,534,448,331.58/143,967.52
  6. Step 6: Final answer
    x = 66,226.38

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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.