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Finding the Fourth Proportional to 161,644.52, 222,838.08 and 113,749.04

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Solution

The fourth proportional to 161,644.52, 222,838.08 and 113,749.04 is: 156,810.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,644.52 : 222,838.08 = 113,749.04 : x
  2. Step 2: Convert to fraction form
    161,644.52/222,838.08 = 113,749.04/x
  3. Step 3: Cross multiply
    161,644.52x = 222,838.08 × 113,749.04
  4. Step 4: Simplify right side
    161,644.52x = 25,347,617,675.44
  5. Step 5: Solve for x
    x = 25,347,617,675.44/161,644.52
  6. Step 6: Final answer
    x = 156,810.87

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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.