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Finding the Fourth Proportional to 101,745.35, 152,619.75 and 35,187.21

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Solution

The fourth proportional to 101,745.35, 152,619.75 and 35,187.21 is: 52,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,745.35 : 152,619.75 = 35,187.21 : x
  2. Step 2: Convert to fraction form
    101,745.35/152,619.75 = 35,187.21/x
  3. Step 3: Cross multiply
    101,745.35x = 152,619.75 × 35,187.21
  4. Step 4: Simplify right side
    101,745.35x = 5,370,262,790.91
  5. Step 5: Solve for x
    x = 5,370,262,790.91/101,745.35
  6. Step 6: Final answer
    x = 52,781.41

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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.