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Finding the Fourth Proportional to 264,125.91, 364,491.17 and 143,265.45

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Solution

The fourth proportional to 264,125.91, 364,491.17 and 143,265.45 is: 197,704.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,125.91 : 364,491.17 = 143,265.45 : x
  2. Step 2: Convert to fraction form
    264,125.91/364,491.17 = 143,265.45/x
  3. Step 3: Cross multiply
    264,125.91x = 364,491.17 × 143,265.45
  4. Step 4: Simplify right side
    264,125.91x = 52,218,991,250.77
  5. Step 5: Solve for x
    x = 52,218,991,250.77/264,125.91
  6. Step 6: Final answer
    x = 197,704.92

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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.