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Finding the Fourth Proportional to 155,606.80, 232,891.80 and 136,944.40

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Solution

The fourth proportional to 155,606.80, 232,891.80 and 136,944.40 is: 204,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,606.80 : 232,891.80 = 136,944.40 : x
  2. Step 2: Convert to fraction form
    155,606.80/232,891.80 = 136,944.40/x
  3. Step 3: Cross multiply
    155,606.80x = 232,891.80 × 136,944.40
  4. Step 4: Simplify right side
    155,606.80x = 31,893,227,815.92
  5. Step 5: Solve for x
    x = 31,893,227,815.92/155,606.80
  6. Step 6: Final answer
    x = 204,960.37

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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.