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Finding the Fourth Proportional to 266,284.67, 399,550.49 and 116,505.21

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Solution

The fourth proportional to 266,284.67, 399,550.49 and 116,505.21 is: 174,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,284.67 : 399,550.49 = 116,505.21 : x
  2. Step 2: Convert to fraction form
    266,284.67/399,550.49 = 116,505.21/x
  3. Step 3: Cross multiply
    266,284.67x = 399,550.49 × 116,505.21
  4. Step 4: Simplify right side
    266,284.67x = 46,549,713,743.05
  5. Step 5: Solve for x
    x = 46,549,713,743.05/266,284.67
  6. Step 6: Final answer
    x = 174,811.84

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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.