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Finding the Fourth Proportional to 155,471.63, 232,833.73 and 88,709.36

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Solution

The fourth proportional to 155,471.63, 232,833.73 and 88,709.36 is: 132,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,471.63 : 232,833.73 = 88,709.36 : x
  2. Step 2: Convert to fraction form
    155,471.63/232,833.73 = 88,709.36/x
  3. Step 3: Cross multiply
    155,471.63x = 232,833.73 × 88,709.36
  4. Step 4: Simplify right side
    155,471.63x = 20,654,530,731.17
  5. Step 5: Solve for x
    x = 20,654,530,731.17/155,471.63
  6. Step 6: Final answer
    x = 132,850.80

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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.