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Finding the Fourth Proportional to 79,656.75, 119,485.13 and 32,910.84

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Solution

The fourth proportional to 79,656.75, 119,485.13 and 32,910.84 is: 49,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,656.75 : 119,485.13 = 32,910.84 : x
  2. Step 2: Convert to fraction form
    79,656.75/119,485.13 = 32,910.84/x
  3. Step 3: Cross multiply
    79,656.75x = 119,485.13 × 32,910.84
  4. Step 4: Simplify right side
    79,656.75x = 3,932,355,831.26
  5. Step 5: Solve for x
    x = 3,932,355,831.26/79,656.75
  6. Step 6: Final answer
    x = 49,366.26

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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.