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Finding the Fourth Proportional to 171,009.22, 235,992 and 95,557.72

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Solution

The fourth proportional to 171,009.22, 235,992 and 95,557.72 is: 131,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,009.22 : 235,992 = 95,557.72 : x
  2. Step 2: Convert to fraction form
    171,009.22/235,992 = 95,557.72/x
  3. Step 3: Cross multiply
    171,009.22x = 235,992 × 95,557.72
  4. Step 4: Simplify right side
    171,009.22x = 22,550,857,458.24
  5. Step 5: Solve for x
    x = 22,550,857,458.24/171,009.22
  6. Step 6: Final answer
    x = 131,869.25

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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.