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Finding the Fourth Proportional to 245,297.70, 367,752.15 and 134,489.70

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Solution

The fourth proportional to 245,297.70, 367,752.15 and 134,489.70 is: 201,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,297.70 : 367,752.15 = 134,489.70 : x
  2. Step 2: Convert to fraction form
    245,297.70/367,752.15 = 134,489.70/x
  3. Step 3: Cross multiply
    245,297.70x = 367,752.15 × 134,489.70
  4. Step 4: Simplify right side
    245,297.70x = 49,458,876,327.86
  5. Step 5: Solve for x
    x = 49,458,876,327.86/245,297.70
  6. Step 6: Final answer
    x = 201,627.97

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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.