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Finding the Fourth Proportional to 266,550.60, 399,895.14 and 79,562.04

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Solution

The fourth proportional to 266,550.60, 399,895.14 and 79,562.04 is: 119,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,550.60 : 399,895.14 = 79,562.04 : x
  2. Step 2: Convert to fraction form
    266,550.60/399,895.14 = 79,562.04/x
  3. Step 3: Cross multiply
    266,550.60x = 399,895.14 × 79,562.04
  4. Step 4: Simplify right side
    266,550.60x = 31,816,473,124.49
  5. Step 5: Solve for x
    x = 31,816,473,124.49/266,550.60
  6. Step 6: Final answer
    x = 119,363.73

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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.