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Finding the Fourth Proportional to 169,487.70, 233,835.09 and 96,838.46

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Solution

The fourth proportional to 169,487.70, 233,835.09 and 96,838.46 is: 133,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,487.70 : 233,835.09 = 96,838.46 : x
  2. Step 2: Convert to fraction form
    169,487.70/233,835.09 = 96,838.46/x
  3. Step 3: Cross multiply
    169,487.70x = 233,835.09 × 96,838.46
  4. Step 4: Simplify right side
    169,487.70x = 22,644,230,009.56
  5. Step 5: Solve for x
    x = 22,644,230,009.56/169,487.70
  6. Step 6: Final answer
    x = 133,603.97

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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.