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Finding the Fourth Proportional to 266,230.49, 399,538.42 and 104,148.44

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Solution

The fourth proportional to 266,230.49, 399,538.42 and 104,148.44 is: 156,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,230.49 : 399,538.42 = 104,148.44 : x
  2. Step 2: Convert to fraction form
    266,230.49/399,538.42 = 104,148.44/x
  3. Step 3: Cross multiply
    266,230.49x = 399,538.42 × 104,148.44
  4. Step 4: Simplify right side
    266,230.49x = 41,611,302,403.27
  5. Step 5: Solve for x
    x = 41,611,302,403.27/266,230.49
  6. Step 6: Final answer
    x = 156,298.04

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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.