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Finding the Fourth Proportional to 118,053.82, 177,078.93 and 29,308.11

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Solution

The fourth proportional to 118,053.82, 177,078.93 and 29,308.11 is: 43,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,053.82 : 177,078.93 = 29,308.11 : x
  2. Step 2: Convert to fraction form
    118,053.82/177,078.93 = 29,308.11/x
  3. Step 3: Cross multiply
    118,053.82x = 177,078.93 × 29,308.11
  4. Step 4: Simplify right side
    118,053.82x = 5,189,848,759.12
  5. Step 5: Solve for x
    x = 5,189,848,759.12/118,053.82
  6. Step 6: Final answer
    x = 43,961.72

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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.