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Finding the Fourth Proportional to 170,437.96, 235,212.42 and 94,987

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Solution

The fourth proportional to 170,437.96, 235,212.42 and 94,987 is: 131,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,437.96 : 235,212.42 = 94,987 : x
  2. Step 2: Convert to fraction form
    170,437.96/235,212.42 = 94,987/x
  3. Step 3: Cross multiply
    170,437.96x = 235,212.42 × 94,987
  4. Step 4: Simplify right side
    170,437.96x = 22,342,122,138.54
  5. Step 5: Solve for x
    x = 22,342,122,138.54/170,437.96
  6. Step 6: Final answer
    x = 131,086.54

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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.