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Finding the Fourth Proportional to 170,442.96, 235,219.32 and 94,992

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Solution

The fourth proportional to 170,442.96, 235,219.32 and 94,992 is: 131,093.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,442.96 : 235,219.32 = 94,992 : x
  2. Step 2: Convert to fraction form
    170,442.96/235,219.32 = 94,992/x
  3. Step 3: Cross multiply
    170,442.96x = 235,219.32 × 94,992
  4. Step 4: Simplify right side
    170,442.96x = 22,343,953,645.44
  5. Step 5: Solve for x
    x = 22,343,953,645.44/170,442.96
  6. Step 6: Final answer
    x = 131,093.44

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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.