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Finding the Fourth Proportional to 245,109.80, 367,664.70 and 132,843.80

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Solution

The fourth proportional to 245,109.80, 367,664.70 and 132,843.80 is: 199,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,109.80 : 367,664.70 = 132,843.80 : x
  2. Step 2: Convert to fraction form
    245,109.80/367,664.70 = 132,843.80/x
  3. Step 3: Cross multiply
    245,109.80x = 367,664.70 × 132,843.80
  4. Step 4: Simplify right side
    245,109.80x = 48,841,975,873.86
  5. Step 5: Solve for x
    x = 48,841,975,873.86/245,109.80
  6. Step 6: Final answer
    x = 199,265.70

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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.