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Finding the Fourth Proportional to 167,370.98, 230,971.02 and 90,889.34

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Solution

The fourth proportional to 167,370.98, 230,971.02 and 90,889.34 is: 125,426.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,370.98 : 230,971.02 = 90,889.34 : x
  2. Step 2: Convert to fraction form
    167,370.98/230,971.02 = 90,889.34/x
  3. Step 3: Cross multiply
    167,370.98x = 230,971.02 × 90,889.34
  4. Step 4: Simplify right side
    167,370.98x = 20,992,803,566.93
  5. Step 5: Solve for x
    x = 20,992,803,566.93/167,370.98
  6. Step 6: Final answer
    x = 125,426.78

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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.