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Finding the Fourth Proportional to 85,224.69, 127,837.05 and 26,060.37

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Solution

The fourth proportional to 85,224.69, 127,837.05 and 26,060.37 is: 39,090.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,224.69 : 127,837.05 = 26,060.37 : x
  2. Step 2: Convert to fraction form
    85,224.69/127,837.05 = 26,060.37/x
  3. Step 3: Cross multiply
    85,224.69x = 127,837.05 × 26,060.37
  4. Step 4: Simplify right side
    85,224.69x = 3,331,480,822.71
  5. Step 5: Solve for x
    x = 3,331,480,822.71/85,224.69
  6. Step 6: Final answer
    x = 39,090.56

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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.