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Finding the Fourth Proportional to 301,579.71, 452,391.17 and 91,234.05

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Solution

The fourth proportional to 301,579.71, 452,391.17 and 91,234.05 is: 136,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,579.71 : 452,391.17 = 91,234.05 : x
  2. Step 2: Convert to fraction form
    301,579.71/452,391.17 = 91,234.05/x
  3. Step 3: Cross multiply
    301,579.71x = 452,391.17 × 91,234.05
  4. Step 4: Simplify right side
    301,579.71x = 41,273,478,167.17
  5. Step 5: Solve for x
    x = 41,273,478,167.17/301,579.71
  6. Step 6: Final answer
    x = 136,857.61

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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.