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Finding the Fourth Proportional to 115,119.81, 158,801.63 and 95,835.87

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Solution

The fourth proportional to 115,119.81, 158,801.63 and 95,835.87 is: 132,200.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,119.81 : 158,801.63 = 95,835.87 : x
  2. Step 2: Convert to fraction form
    115,119.81/158,801.63 = 95,835.87/x
  3. Step 3: Cross multiply
    115,119.81x = 158,801.63 × 95,835.87
  4. Step 4: Simplify right side
    115,119.81x = 15,218,891,889.29
  5. Step 5: Solve for x
    x = 15,218,891,889.29/115,119.81
  6. Step 6: Final answer
    x = 132,200.46

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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.