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Finding the Fourth Proportional to 144,239.83, 216,380.22 and 44,408.32

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Solution

The fourth proportional to 144,239.83, 216,380.22 and 44,408.32 is: 66,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,239.83 : 216,380.22 = 44,408.32 : x
  2. Step 2: Convert to fraction form
    144,239.83/216,380.22 = 44,408.32/x
  3. Step 3: Cross multiply
    144,239.83x = 216,380.22 × 44,408.32
  4. Step 4: Simplify right side
    144,239.83x = 9,609,082,051.43
  5. Step 5: Solve for x
    x = 9,609,082,051.43/144,239.83
  6. Step 6: Final answer
    x = 66,618.78

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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.