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Finding the Fourth Proportional to 170,517, 235,310.34 and 94,043.16

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Solution

The fourth proportional to 170,517, 235,310.34 and 94,043.16 is: 129,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,517 : 235,310.34 = 94,043.16 : x
  2. Step 2: Convert to fraction form
    170,517/235,310.34 = 94,043.16/x
  3. Step 3: Cross multiply
    170,517x = 235,310.34 × 94,043.16
  4. Step 4: Simplify right side
    170,517x = 22,129,327,954.27
  5. Step 5: Solve for x
    x = 22,129,327,954.27/170,517
  6. Step 6: Final answer
    x = 129,777.84

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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.