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Finding the Fourth Proportional to 158,600.96, 218,879.40 and 104,791.60

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Solution

The fourth proportional to 158,600.96, 218,879.40 and 104,791.60 is: 144,619.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,600.96 : 218,879.40 = 104,791.60 : x
  2. Step 2: Convert to fraction form
    158,600.96/218,879.40 = 104,791.60/x
  3. Step 3: Cross multiply
    158,600.96x = 218,879.40 × 104,791.60
  4. Step 4: Simplify right side
    158,600.96x = 22,936,722,533.04
  5. Step 5: Solve for x
    x = 22,936,722,533.04/158,600.96
  6. Step 6: Final answer
    x = 144,619.06

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1.5x scale

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.