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Finding the Fourth Proportional to 204,373.92, 306,573.84 and 64,138.08

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Solution

The fourth proportional to 204,373.92, 306,573.84 and 64,138.08 is: 96,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,373.92 : 306,573.84 = 64,138.08 : x
  2. Step 2: Convert to fraction form
    204,373.92/306,573.84 = 64,138.08/x
  3. Step 3: Cross multiply
    204,373.92x = 306,573.84 × 64,138.08
  4. Step 4: Simplify right side
    204,373.92x = 19,663,057,475.83
  5. Step 5: Solve for x
    x = 19,663,057,475.83/204,373.92
  6. Step 6: Final answer
    x = 96,211.19

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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.