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Finding the Fourth Proportional to 101,859.92, 152,697.52 and 55,058.12

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Solution

The fourth proportional to 101,859.92, 152,697.52 and 55,058.12 is: 82,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,859.92 : 152,697.52 = 55,058.12 : x
  2. Step 2: Convert to fraction form
    101,859.92/152,697.52 = 55,058.12/x
  3. Step 3: Cross multiply
    101,859.92x = 152,697.52 × 55,058.12
  4. Step 4: Simplify right side
    101,859.92x = 8,407,238,379.86
  5. Step 5: Solve for x
    x = 8,407,238,379.86/101,859.92
  6. Step 6: Final answer
    x = 82,537.26

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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.