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Finding the Fourth Proportional to 270,027.63, 405,098.85 and 92,486.97

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Solution

The fourth proportional to 270,027.63, 405,098.85 and 92,486.97 is: 138,750.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,027.63 : 405,098.85 = 92,486.97 : x
  2. Step 2: Convert to fraction form
    270,027.63/405,098.85 = 92,486.97/x
  3. Step 3: Cross multiply
    270,027.63x = 405,098.85 × 92,486.97
  4. Step 4: Simplify right side
    270,027.63x = 37,466,365,533.81
  5. Step 5: Solve for x
    x = 37,466,365,533.81/270,027.63
  6. Step 6: Final answer
    x = 138,750.12

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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.