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Finding the Fourth Proportional to 171,436.53, 236,531.22 and 110,911.30

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Solution

The fourth proportional to 171,436.53, 236,531.22 and 110,911.30 is: 153,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,436.53 : 236,531.22 = 110,911.30 : x
  2. Step 2: Convert to fraction form
    171,436.53/236,531.22 = 110,911.30/x
  3. Step 3: Cross multiply
    171,436.53x = 236,531.22 × 110,911.30
  4. Step 4: Simplify right side
    171,436.53x = 26,233,985,100.79
  5. Step 5: Solve for x
    x = 26,233,985,100.79/171,436.53
  6. Step 6: Final answer
    x = 153,024.48

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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.