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Finding the Fourth Proportional to 85,058.68, 127,606.47 and 25,892.82

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Solution

The fourth proportional to 85,058.68, 127,606.47 and 25,892.82 is: 38,844.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,058.68 : 127,606.47 = 25,892.82 : x
  2. Step 2: Convert to fraction form
    85,058.68/127,606.47 = 25,892.82/x
  3. Step 3: Cross multiply
    85,058.68x = 127,606.47 × 25,892.82
  4. Step 4: Simplify right side
    85,058.68x = 3,304,090,720.51
  5. Step 5: Solve for x
    x = 3,304,090,720.51/85,058.68
  6. Step 6: Final answer
    x = 38,844.84

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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.