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Finding the Fourth Proportional to 237,341.80, 327,519 and 129,891.06

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Solution

The fourth proportional to 237,341.80, 327,519 and 129,891.06 is: 179,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,341.80 : 327,519 = 129,891.06 : x
  2. Step 2: Convert to fraction form
    237,341.80/327,519 = 129,891.06/x
  3. Step 3: Cross multiply
    237,341.80x = 327,519 × 129,891.06
  4. Step 4: Simplify right side
    237,341.80x = 42,541,790,080.14
  5. Step 5: Solve for x
    x = 42,541,790,080.14/237,341.80
  6. Step 6: Final answer
    x = 179,242.72

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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.