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Finding the Fourth Proportional to 118,367.16, 177,551.19 and 29,620.41

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Solution

The fourth proportional to 118,367.16, 177,551.19 and 29,620.41 is: 44,430.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,367.16 : 177,551.19 = 29,620.41 : x
  2. Step 2: Convert to fraction form
    118,367.16/177,551.19 = 29,620.41/x
  3. Step 3: Cross multiply
    118,367.16x = 177,551.19 × 29,620.41
  4. Step 4: Simplify right side
    118,367.16x = 5,259,139,043.79
  5. Step 5: Solve for x
    x = 5,259,139,043.79/118,367.16
  6. Step 6: Final answer
    x = 44,430.73

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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.