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Finding the Fourth Proportional to 167,458.01, 231,091.25 and 90,976.59

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Solution

The fourth proportional to 167,458.01, 231,091.25 and 90,976.59 is: 125,547.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,458.01 : 231,091.25 = 90,976.59 : x
  2. Step 2: Convert to fraction form
    167,458.01/231,091.25 = 90,976.59/x
  3. Step 3: Cross multiply
    167,458.01x = 231,091.25 × 90,976.59
  4. Step 4: Simplify right side
    167,458.01x = 21,023,893,448.95
  5. Step 5: Solve for x
    x = 21,023,893,448.95/167,458.01
  6. Step 6: Final answer
    x = 125,547.26

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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.