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Finding the Fourth Proportional to 325,371.14, 488,042.30 and 88,713.82

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Solution

The fourth proportional to 325,371.14, 488,042.30 and 88,713.82 is: 133,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,371.14 : 488,042.30 = 88,713.82 : x
  2. Step 2: Convert to fraction form
    325,371.14/488,042.30 = 88,713.82/x
  3. Step 3: Cross multiply
    325,371.14x = 488,042.30 × 88,713.82
  4. Step 4: Simplify right side
    325,371.14x = 43,296,096,754.59
  5. Step 5: Solve for x
    x = 43,296,096,754.59/325,371.14
  6. Step 6: Final answer
    x = 133,066.80

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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.