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Finding the Fourth Proportional to 240,636.58, 361,309.70 and 134,228.43

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Solution

The fourth proportional to 240,636.58, 361,309.70 and 134,228.43 is: 201,540.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,636.58 : 361,309.70 = 134,228.43 : x
  2. Step 2: Convert to fraction form
    240,636.58/361,309.70 = 134,228.43/x
  3. Step 3: Cross multiply
    240,636.58x = 361,309.70 × 134,228.43
  4. Step 4: Simplify right side
    240,636.58x = 48,498,034,110.34
  5. Step 5: Solve for x
    x = 48,498,034,110.34/240,636.58
  6. Step 6: Final answer
    x = 201,540.57

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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.