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Finding the Fourth Proportional to 535,151.61, 802,727.42 and 161,174.61

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Solution

The fourth proportional to 535,151.61, 802,727.42 and 161,174.61 is: 241,761.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,151.61 : 802,727.42 = 161,174.61 : x
  2. Step 2: Convert to fraction form
    535,151.61/802,727.42 = 161,174.61/x
  3. Step 3: Cross multiply
    535,151.61x = 802,727.42 × 161,174.61
  4. Step 4: Simplify right side
    535,151.61x = 129,379,278,048.93
  5. Step 5: Solve for x
    x = 129,379,278,048.93/535,151.61
  6. Step 6: Final answer
    x = 241,761.92

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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.