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Finding the Fourth Proportional to 468,175.32, 702,303.48 and 131,221.80

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Solution

The fourth proportional to 468,175.32, 702,303.48 and 131,221.80 is: 196,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,175.32 : 702,303.48 = 131,221.80 : x
  2. Step 2: Convert to fraction form
    468,175.32/702,303.48 = 131,221.80/x
  3. Step 3: Cross multiply
    468,175.32x = 702,303.48 × 131,221.80
  4. Step 4: Simplify right side
    468,175.32x = 92,157,526,791.86
  5. Step 5: Solve for x
    x = 92,157,526,791.86/468,175.32
  6. Step 6: Final answer
    x = 196,844.05

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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.