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Finding the Fourth Proportional to 85,098.99, 127,667.44 and 25,939.26

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Solution

The fourth proportional to 85,098.99, 127,667.44 and 25,939.26 is: 38,914.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,098.99 : 127,667.44 = 25,939.26 : x
  2. Step 2: Convert to fraction form
    85,098.99/127,667.44 = 25,939.26/x
  3. Step 3: Cross multiply
    85,098.99x = 127,667.44 × 25,939.26
  4. Step 4: Simplify right side
    85,098.99x = 3,311,598,216.51
  5. Step 5: Solve for x
    x = 3,311,598,216.51/85,098.99
  6. Step 6: Final answer
    x = 38,914.66

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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.