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Finding the Fourth Proportional to 167,300.57, 230,876.45 and 90,820.26

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Solution

The fourth proportional to 167,300.57, 230,876.45 and 90,820.26 is: 125,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,300.57 : 230,876.45 = 90,820.26 : x
  2. Step 2: Convert to fraction form
    167,300.57/230,876.45 = 90,820.26/x
  3. Step 3: Cross multiply
    167,300.57x = 230,876.45 × 90,820.26
  4. Step 4: Simplify right side
    167,300.57x = 20,968,259,216.88
  5. Step 5: Solve for x
    x = 20,968,259,216.88/167,300.57
  6. Step 6: Final answer
    x = 125,332.86

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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.