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Finding the Fourth Proportional to 143,767.68, 215,671.68 and 50,252.16

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Solution

The fourth proportional to 143,767.68, 215,671.68 and 50,252.16 is: 75,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,767.68 : 215,671.68 = 50,252.16 : x
  2. Step 2: Convert to fraction form
    143,767.68/215,671.68 = 50,252.16/x
  3. Step 3: Cross multiply
    143,767.68x = 215,671.68 × 50,252.16
  4. Step 4: Simplify right side
    143,767.68x = 10,837,967,770.83
  5. Step 5: Solve for x
    x = 10,837,967,770.83/143,767.68
  6. Step 6: Final answer
    x = 75,385.29

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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.