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Finding the Fourth Proportional to 266,157.72, 367,297.30 and 170,664.19

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Solution

The fourth proportional to 266,157.72, 367,297.30 and 170,664.19 is: 235,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,157.72 : 367,297.30 = 170,664.19 : x
  2. Step 2: Convert to fraction form
    266,157.72/367,297.30 = 170,664.19/x
  3. Step 3: Cross multiply
    266,157.72x = 367,297.30 × 170,664.19
  4. Step 4: Simplify right side
    266,157.72x = 62,684,496,193.69
  5. Step 5: Solve for x
    x = 62,684,496,193.69/266,157.72
  6. Step 6: Final answer
    x = 235,516.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.