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Finding the Fourth Proportional to 118,567.80, 177,838.60 and 29,821.34

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Solution

The fourth proportional to 118,567.80, 177,838.60 and 29,821.34 is: 44,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,567.80 : 177,838.60 = 29,821.34 : x
  2. Step 2: Convert to fraction form
    118,567.80/177,838.60 = 29,821.34/x
  3. Step 3: Cross multiply
    118,567.80x = 177,838.60 × 29,821.34
  4. Step 4: Simplify right side
    118,567.80x = 5,303,384,613.94
  5. Step 5: Solve for x
    x = 5,303,384,613.94/118,567.80
  6. Step 6: Final answer
    x = 44,728.71

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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.