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Finding the Fourth Proportional to 72,095.92, 108,135.36 and 22,175.92

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Solution

The fourth proportional to 72,095.92, 108,135.36 and 22,175.92 is: 33,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,095.92 : 108,135.36 = 22,175.92 : x
  2. Step 2: Convert to fraction form
    72,095.92/108,135.36 = 22,175.92/x
  3. Step 3: Cross multiply
    72,095.92x = 108,135.36 × 22,175.92
  4. Step 4: Simplify right side
    72,095.92x = 2,398,001,092.53
  5. Step 5: Solve for x
    x = 2,398,001,092.53/72,095.92
  6. Step 6: Final answer
    x = 33,261.26

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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.