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Finding the Fourth Proportional to 141,469.68, 212,204.64 and 36,288.66

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Solution

The fourth proportional to 141,469.68, 212,204.64 and 36,288.66 is: 54,433.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,469.68 : 212,204.64 = 36,288.66 : x
  2. Step 2: Convert to fraction form
    141,469.68/212,204.64 = 36,288.66/x
  3. Step 3: Cross multiply
    141,469.68x = 212,204.64 × 36,288.66
  4. Step 4: Simplify right side
    141,469.68x = 7,700,622,031.38
  5. Step 5: Solve for x
    x = 7,700,622,031.38/141,469.68
  6. Step 6: Final answer
    x = 54,433.02

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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.