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Finding the Fourth Proportional to 168,190.96, 232,103.28 and 92,739.64

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Solution

The fourth proportional to 168,190.96, 232,103.28 and 92,739.64 is: 127,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,190.96 : 232,103.28 = 92,739.64 : x
  2. Step 2: Convert to fraction form
    168,190.96/232,103.28 = 92,739.64/x
  3. Step 3: Cross multiply
    168,190.96x = 232,103.28 × 92,739.64
  4. Step 4: Simplify right side
    168,190.96x = 21,525,174,630.02
  5. Step 5: Solve for x
    x = 21,525,174,630.02/168,190.96
  6. Step 6: Final answer
    x = 127,980.57

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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.