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Finding the Fourth Proportional to 167,397.00, 231,009.52 and 90,917.58

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Solution

The fourth proportional to 167,397.00, 231,009.52 and 90,917.58 is: 125,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,397.00 : 231,009.52 = 90,917.58 : x
  2. Step 2: Convert to fraction form
    167,397.00/231,009.52 = 90,917.58/x
  3. Step 3: Cross multiply
    167,397.00x = 231,009.52 × 90,917.58
  4. Step 4: Simplify right side
    167,397.00x = 21,002,827,797.10
  5. Step 5: Solve for x
    x = 21,002,827,797.10/167,397.00
  6. Step 6: Final answer
    x = 125,467.17

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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.