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Finding the Fourth Proportional to 264,221.62, 364,624.62 and 143,362.61

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Solution

The fourth proportional to 264,221.62, 364,624.62 and 143,362.61 is: 197,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,221.62 : 364,624.62 = 143,362.61 : x
  2. Step 2: Convert to fraction form
    264,221.62/364,624.62 = 143,362.61/x
  3. Step 3: Cross multiply
    264,221.62x = 364,624.62 × 143,362.61
  4. Step 4: Simplify right side
    264,221.62x = 52,273,538,031.99
  5. Step 5: Solve for x
    x = 52,273,538,031.99/264,221.62
  6. Step 6: Final answer
    x = 197,839.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.