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Finding the Fourth Proportional to 110,728.20, 166,116.60 and 35,835.60

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Solution

The fourth proportional to 110,728.20, 166,116.60 and 35,835.60 is: 53,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,728.20 : 166,116.60 = 35,835.60 : x
  2. Step 2: Convert to fraction form
    110,728.20/166,116.60 = 35,835.60/x
  3. Step 3: Cross multiply
    110,728.20x = 166,116.60 × 35,835.60
  4. Step 4: Simplify right side
    110,728.20x = 5,952,888,030.96
  5. Step 5: Solve for x
    x = 5,952,888,030.96/110,728.20
  6. Step 6: Final answer
    x = 53,761.26

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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.