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Finding the Fourth Proportional to 266,093, 399,275.58 and 125,813.96

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Solution

The fourth proportional to 266,093, 399,275.58 and 125,813.96 is: 188,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,093 : 399,275.58 = 125,813.96 : x
  2. Step 2: Convert to fraction form
    266,093/399,275.58 = 125,813.96/x
  3. Step 3: Cross multiply
    266,093x = 399,275.58 × 125,813.96
  4. Step 4: Simplify right side
    266,093x = 50,234,441,851.10
  5. Step 5: Solve for x
    x = 50,234,441,851.10/266,093
  6. Step 6: Final answer
    x = 188,785.28

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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.