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Finding the Fourth Proportional to 237,808.18, 328,175.20 and 130,375.90

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Solution

The fourth proportional to 237,808.18, 328,175.20 and 130,375.90 is: 179,918.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,808.18 : 328,175.20 = 130,375.90 : x
  2. Step 2: Convert to fraction form
    237,808.18/328,175.20 = 130,375.90/x
  3. Step 3: Cross multiply
    237,808.18x = 328,175.20 × 130,375.90
  4. Step 4: Simplify right side
    237,808.18x = 42,786,137,057.68
  5. Step 5: Solve for x
    x = 42,786,137,057.68/237,808.18
  6. Step 6: Final answer
    x = 179,918.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.