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Finding the Fourth Proportional to 115,919.33, 173,879.13 and 37,039.64

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Solution

The fourth proportional to 115,919.33, 173,879.13 and 37,039.64 is: 55,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,919.33 : 173,879.13 = 37,039.64 : x
  2. Step 2: Convert to fraction form
    115,919.33/173,879.13 = 37,039.64/x
  3. Step 3: Cross multiply
    115,919.33x = 173,879.13 × 37,039.64
  4. Step 4: Simplify right side
    115,919.33x = 6,440,420,378.71
  5. Step 5: Solve for x
    x = 6,440,420,378.71/115,919.33
  6. Step 6: Final answer
    x = 55,559.50

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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.