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Finding the Fourth Proportional to 270,068.17, 405,151.50 and 92,593.12

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Solution

The fourth proportional to 270,068.17, 405,151.50 and 92,593.12 is: 138,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,068.17 : 405,151.50 = 92,593.12 : x
  2. Step 2: Convert to fraction form
    270,068.17/405,151.50 = 92,593.12/x
  3. Step 3: Cross multiply
    270,068.17x = 405,151.50 × 92,593.12
  4. Step 4: Simplify right side
    270,068.17x = 37,514,241,457.68
  5. Step 5: Solve for x
    x = 37,514,241,457.68/270,068.17
  6. Step 6: Final answer
    x = 138,906.56

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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.