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Finding the Fourth Proportional to 266,750.72, 400,236.48 and 116,913.60

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Solution

The fourth proportional to 266,750.72, 400,236.48 and 116,913.60 is: 175,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,750.72 : 400,236.48 = 116,913.60 : x
  2. Step 2: Convert to fraction form
    266,750.72/400,236.48 = 116,913.60/x
  3. Step 3: Cross multiply
    266,750.72x = 400,236.48 × 116,913.60
  4. Step 4: Simplify right side
    266,750.72x = 46,793,087,728.13
  5. Step 5: Solve for x
    x = 46,793,087,728.13/266,750.72
  6. Step 6: Final answer
    x = 175,418.79

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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.