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Finding the Fourth Proportional to 115,649.58, 173,437.21 and 36,745.37

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Solution

The fourth proportional to 115,649.58, 173,437.21 and 36,745.37 is: 55,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,649.58 : 173,437.21 = 36,745.37 : x
  2. Step 2: Convert to fraction form
    115,649.58/173,437.21 = 36,745.37/x
  3. Step 3: Cross multiply
    115,649.58x = 173,437.21 × 36,745.37
  4. Step 4: Simplify right side
    115,649.58x = 6,373,014,453.22
  5. Step 5: Solve for x
    x = 6,373,014,453.22/115,649.58
  6. Step 6: Final answer
    x = 55,106.25

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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.