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Finding the Fourth Proportional to 228,785.90, 343,201.65 and 95,707.82

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Solution

The fourth proportional to 228,785.90, 343,201.65 and 95,707.82 is: 143,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,785.90 : 343,201.65 = 95,707.82 : x
  2. Step 2: Convert to fraction form
    228,785.90/343,201.65 = 95,707.82/x
  3. Step 3: Cross multiply
    228,785.90x = 343,201.65 × 95,707.82
  4. Step 4: Simplify right side
    228,785.90x = 32,847,081,741.90
  5. Step 5: Solve for x
    x = 32,847,081,741.90/228,785.90
  6. Step 6: Final answer
    x = 143,571.27

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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.