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Finding the Fourth Proportional to 118,180.58, 177,272.42 and 39,294.81

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Solution

The fourth proportional to 118,180.58, 177,272.42 and 39,294.81 is: 58,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,180.58 : 177,272.42 = 39,294.81 : x
  2. Step 2: Convert to fraction form
    118,180.58/177,272.42 = 39,294.81/x
  3. Step 3: Cross multiply
    118,180.58x = 177,272.42 × 39,294.81
  4. Step 4: Simplify right side
    118,180.58x = 6,965,885,699.26
  5. Step 5: Solve for x
    x = 6,965,885,699.26/118,180.58
  6. Step 6: Final answer
    x = 58,942.73

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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.