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Finding the Fourth Proportional to 118,053.96, 177,076.08 and 29,305.56

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Solution

The fourth proportional to 118,053.96, 177,076.08 and 29,305.56 is: 43,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,053.96 : 177,076.08 = 29,305.56 : x
  2. Step 2: Convert to fraction form
    118,053.96/177,076.08 = 29,305.56/x
  3. Step 3: Cross multiply
    118,053.96x = 177,076.08 × 29,305.56
  4. Step 4: Simplify right side
    118,053.96x = 5,189,313,687.00
  5. Step 5: Solve for x
    x = 5,189,313,687.00/118,053.96
  6. Step 6: Final answer
    x = 43,957.13

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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.