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Finding the Fourth Proportional to 118,162.50, 177,243.42 and 29,415.94

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Solution

The fourth proportional to 118,162.50, 177,243.42 and 29,415.94 is: 44,123.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,162.50 : 177,243.42 = 29,415.94 : x
  2. Step 2: Convert to fraction form
    118,162.50/177,243.42 = 29,415.94/x
  3. Step 3: Cross multiply
    118,162.50x = 177,243.42 × 29,415.94
  4. Step 4: Simplify right side
    118,162.50x = 5,213,781,808.11
  5. Step 5: Solve for x
    x = 5,213,781,808.11/118,162.50
  6. Step 6: Final answer
    x = 44,123.83

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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.