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Finding the Fourth Proportional to 110,728.60, 166,117.20 and 35,852.20

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Solution

The fourth proportional to 110,728.60, 166,117.20 and 35,852.20 is: 53,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,728.60 : 166,117.20 = 35,852.20 : x
  2. Step 2: Convert to fraction form
    110,728.60/166,117.20 = 35,852.20/x
  3. Step 3: Cross multiply
    110,728.60x = 166,117.20 × 35,852.20
  4. Step 4: Simplify right side
    110,728.60x = 5,955,667,077.84
  5. Step 5: Solve for x
    x = 5,955,667,077.84/110,728.60
  6. Step 6: Final answer
    x = 53,786.17

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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.