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Finding the Fourth Proportional to 301,997.81, 416,759.78 and 166,032.72

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Solution

The fourth proportional to 301,997.81, 416,759.78 and 166,032.72 is: 229,126.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,997.81 : 416,759.78 = 166,032.72 : x
  2. Step 2: Convert to fraction form
    301,997.81/416,759.78 = 166,032.72/x
  3. Step 3: Cross multiply
    301,997.81x = 416,759.78 × 166,032.72
  4. Step 4: Simplify right side
    301,997.81x = 69,195,759,860.00
  5. Step 5: Solve for x
    x = 69,195,759,860.00/301,997.81
  6. Step 6: Final answer
    x = 229,126.69

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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.