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Finding the Fourth Proportional to 122,794.67, 184,192.04 and 55,247.80

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Solution

The fourth proportional to 122,794.67, 184,192.04 and 55,247.80 is: 82,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,794.67 : 184,192.04 = 55,247.80 : x
  2. Step 2: Convert to fraction form
    122,794.67/184,192.04 = 55,247.80/x
  3. Step 3: Cross multiply
    122,794.67x = 184,192.04 × 55,247.80
  4. Step 4: Simplify right side
    122,794.67x = 10,176,204,987.51
  5. Step 5: Solve for x
    x = 10,176,204,987.51/122,794.67
  6. Step 6: Final answer
    x = 82,871.72

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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.