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Finding the Fourth Proportional to 118,462.41, 177,721.70 and 35,354.25

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Solution

The fourth proportional to 118,462.41, 177,721.70 and 35,354.25 is: 53,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,462.41 : 177,721.70 = 35,354.25 : x
  2. Step 2: Convert to fraction form
    118,462.41/177,721.70 = 35,354.25/x
  3. Step 3: Cross multiply
    118,462.41x = 177,721.70 × 35,354.25
  4. Step 4: Simplify right side
    118,462.41x = 6,283,217,235.45
  5. Step 5: Solve for x
    x = 6,283,217,235.45/118,462.41
  6. Step 6: Final answer
    x = 53,039.76

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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.