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Finding the Fourth Proportional to 101,507.72, 140,048.44 and 59,058.05

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Solution

The fourth proportional to 101,507.72, 140,048.44 and 59,058.05 is: 81,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,507.72 : 140,048.44 = 59,058.05 : x
  2. Step 2: Convert to fraction form
    101,507.72/140,048.44 = 59,058.05/x
  3. Step 3: Cross multiply
    101,507.72x = 140,048.44 × 59,058.05
  4. Step 4: Simplify right side
    101,507.72x = 8,270,987,256.26
  5. Step 5: Solve for x
    x = 8,270,987,256.26/101,507.72
  6. Step 6: Final answer
    x = 81,481.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.