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Finding the Fourth Proportional to 171,686.64, 236,923.28 and 95,206.08

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Solution

The fourth proportional to 171,686.64, 236,923.28 and 95,206.08 is: 131,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,686.64 : 236,923.28 = 95,206.08 : x
  2. Step 2: Convert to fraction form
    171,686.64/236,923.28 = 95,206.08/x
  3. Step 3: Cross multiply
    171,686.64x = 236,923.28 × 95,206.08
  4. Step 4: Simplify right side
    171,686.64x = 22,556,536,749.54
  5. Step 5: Solve for x
    x = 22,556,536,749.54/171,686.64
  6. Step 6: Final answer
    x = 131,382.02

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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.