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Finding the Fourth Proportional to 295,628.30, 443,500.05 and 118,105.10

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Solution

The fourth proportional to 295,628.30, 443,500.05 and 118,105.10 is: 177,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,628.30 : 443,500.05 = 118,105.10 : x
  2. Step 2: Convert to fraction form
    295,628.30/443,500.05 = 118,105.10/x
  3. Step 3: Cross multiply
    295,628.30x = 443,500.05 × 118,105.10
  4. Step 4: Simplify right side
    295,628.30x = 52,379,617,755.26
  5. Step 5: Solve for x
    x = 52,379,617,755.26/295,628.30
  6. Step 6: Final answer
    x = 177,180.66

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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.