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Finding the Fourth Proportional to 133,479.56, 184,201.64 and 75,348.52

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Solution

The fourth proportional to 133,479.56, 184,201.64 and 75,348.52 is: 103,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,479.56 : 184,201.64 = 75,348.52 : x
  2. Step 2: Convert to fraction form
    133,479.56/184,201.64 = 75,348.52/x
  3. Step 3: Cross multiply
    133,479.56x = 184,201.64 × 75,348.52
  4. Step 4: Simplify right side
    133,479.56x = 13,879,320,118.33
  5. Step 5: Solve for x
    x = 13,879,320,118.33/133,479.56
  6. Step 6: Final answer
    x = 103,980.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.