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Finding the Fourth Proportional to 169,687.65, 234,179.37 and 94,236.15

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Solution

The fourth proportional to 169,687.65, 234,179.37 and 94,236.15 is: 130,051.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,687.65 : 234,179.37 = 94,236.15 : x
  2. Step 2: Convert to fraction form
    169,687.65/234,179.37 = 94,236.15/x
  3. Step 3: Cross multiply
    169,687.65x = 234,179.37 × 94,236.15
  4. Step 4: Simplify right side
    169,687.65x = 22,068,162,238.23
  5. Step 5: Solve for x
    x = 22,068,162,238.23/169,687.65
  6. Step 6: Final answer
    x = 130,051.67

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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.