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Finding the Fourth Proportional to 167,778.60, 251,707.32 and 55,458.84

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Solution

The fourth proportional to 167,778.60, 251,707.32 and 55,458.84 is: 83,201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,778.60 : 251,707.32 = 55,458.84 : x
  2. Step 2: Convert to fraction form
    167,778.60/251,707.32 = 55,458.84/x
  3. Step 3: Cross multiply
    167,778.60x = 251,707.32 × 55,458.84
  4. Step 4: Simplify right side
    167,778.60x = 13,959,395,986.71
  5. Step 5: Solve for x
    x = 13,959,395,986.71/167,778.60
  6. Step 6: Final answer
    x = 83,201.29

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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.