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Finding the Fourth Proportional to 204,376.32, 306,713.52 and 104,619.96

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Solution

The fourth proportional to 204,376.32, 306,713.52 and 104,619.96 is: 157,006.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,376.32 : 306,713.52 = 104,619.96 : x
  2. Step 2: Convert to fraction form
    204,376.32/306,713.52 = 104,619.96/x
  3. Step 3: Cross multiply
    204,376.32x = 306,713.52 × 104,619.96
  4. Step 4: Simplify right side
    204,376.32x = 32,088,356,193.86
  5. Step 5: Solve for x
    x = 32,088,356,193.86/204,376.32
  6. Step 6: Final answer
    x = 157,006.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.