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Finding the Fourth Proportional to 169,119.82, 233,357.92 and 101,164.87

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Solution

The fourth proportional to 169,119.82, 233,357.92 and 101,164.87 is: 139,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,119.82 : 233,357.92 = 101,164.87 : x
  2. Step 2: Convert to fraction form
    169,119.82/233,357.92 = 101,164.87/x
  3. Step 3: Cross multiply
    169,119.82x = 233,357.92 × 101,164.87
  4. Step 4: Simplify right side
    169,119.82x = 23,607,623,640.27
  5. Step 5: Solve for x
    x = 23,607,623,640.27/169,119.82
  6. Step 6: Final answer
    x = 139,591.11

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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.