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Finding the Fourth Proportional to 169,861.52, 234,188.52 and 109,323.92

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Solution

The fourth proportional to 169,861.52, 234,188.52 and 109,323.92 is: 150,725.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,861.52 : 234,188.52 = 109,323.92 : x
  2. Step 2: Convert to fraction form
    169,861.52/234,188.52 = 109,323.92/x
  3. Step 3: Cross multiply
    169,861.52x = 234,188.52 × 109,323.92
  4. Step 4: Simplify right side
    169,861.52x = 25,602,407,025.40
  5. Step 5: Solve for x
    x = 25,602,407,025.40/169,861.52
  6. Step 6: Final answer
    x = 150,725.17

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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.