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Finding the Fourth Proportional to 295,469.80, 443,283.90 and 118,101.40

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Solution

The fourth proportional to 295,469.80, 443,283.90 and 118,101.40 is: 177,183.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,469.80 : 443,283.90 = 118,101.40 : x
  2. Step 2: Convert to fraction form
    295,469.80/443,283.90 = 118,101.40/x
  3. Step 3: Cross multiply
    295,469.80x = 443,283.90 × 118,101.40
  4. Step 4: Simplify right side
    295,469.80x = 52,352,449,187.46
  5. Step 5: Solve for x
    x = 52,352,449,187.46/295,469.80
  6. Step 6: Final answer
    x = 177,183.76

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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.