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Finding the Fourth Proportional to 266,689.21, 367,857.71 and 171,044.41

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Solution

The fourth proportional to 266,689.21, 367,857.71 and 171,044.41 is: 235,930.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,689.21 : 367,857.71 = 171,044.41 : x
  2. Step 2: Convert to fraction form
    266,689.21/367,857.71 = 171,044.41/x
  3. Step 3: Cross multiply
    266,689.21x = 367,857.71 × 171,044.41
  4. Step 4: Simplify right side
    266,689.21x = 62,920,004,115.68
  5. Step 5: Solve for x
    x = 62,920,004,115.68/266,689.21
  6. Step 6: Final answer
    x = 235,930.07

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1.5x scale

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.