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Finding the Fourth Proportional to 171,702.30, 237,010.53 and 117,215.49

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Solution

The fourth proportional to 171,702.30, 237,010.53 and 117,215.49 is: 161,799.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,702.30 : 237,010.53 = 117,215.49 : x
  2. Step 2: Convert to fraction form
    171,702.30/237,010.53 = 117,215.49/x
  3. Step 3: Cross multiply
    171,702.30x = 237,010.53 × 117,215.49
  4. Step 4: Simplify right side
    171,702.30x = 27,781,305,409.11
  5. Step 5: Solve for x
    x = 27,781,305,409.11/171,702.30
  6. Step 6: Final answer
    x = 161,799.26

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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.