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Finding the Fourth Proportional to 266,529.04, 399,793.52 and 69,537.04

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Solution

The fourth proportional to 266,529.04, 399,793.52 and 69,537.04 is: 104,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,529.04 : 399,793.52 = 69,537.04 : x
  2. Step 2: Convert to fraction form
    266,529.04/399,793.52 = 69,537.04/x
  3. Step 3: Cross multiply
    266,529.04x = 399,793.52 × 69,537.04
  4. Step 4: Simplify right side
    266,529.04x = 27,800,457,991.98
  5. Step 5: Solve for x
    x = 27,800,457,991.98/266,529.04
  6. Step 6: Final answer
    x = 104,305.55

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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.