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Finding the Fourth Proportional to 115,745.58, 173,645.91 and 36,859.68

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Solution

The fourth proportional to 115,745.58, 173,645.91 and 36,859.68 is: 55,298.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,745.58 : 173,645.91 = 36,859.68 : x
  2. Step 2: Convert to fraction form
    115,745.58/173,645.91 = 36,859.68/x
  3. Step 3: Cross multiply
    115,745.58x = 173,645.91 × 36,859.68
  4. Step 4: Simplify right side
    115,745.58x = 6,400,532,675.91
  5. Step 5: Solve for x
    x = 6,400,532,675.91/115,745.58
  6. Step 6: Final answer
    x = 55,298.29

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1.5x scale

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.