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Finding the Fourth Proportional to 141,857.87, 212,794.11 and 36,677.75

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Solution

The fourth proportional to 141,857.87, 212,794.11 and 36,677.75 is: 55,018.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,857.87 : 212,794.11 = 36,677.75 : x
  2. Step 2: Convert to fraction form
    141,857.87/212,794.11 = 36,677.75/x
  3. Step 3: Cross multiply
    141,857.87x = 212,794.11 × 36,677.75
  4. Step 4: Simplify right side
    141,857.87x = 7,804,808,104.08
  5. Step 5: Solve for x
    x = 7,804,808,104.08/141,857.87
  6. Step 6: Final answer
    x = 55,018.51

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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.