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Finding the Fourth Proportional to 232,615.19, 320,855.87 and 167,976.79

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Solution

The fourth proportional to 232,615.19, 320,855.87 and 167,976.79 is: 231,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,615.19 : 320,855.87 = 167,976.79 : x
  2. Step 2: Convert to fraction form
    232,615.19/320,855.87 = 167,976.79/x
  3. Step 3: Cross multiply
    232,615.19x = 320,855.87 × 167,976.79
  4. Step 4: Simplify right side
    232,615.19x = 53,896,336,651.09
  5. Step 5: Solve for x
    x = 53,896,336,651.09/232,615.19
  6. Step 6: Final answer
    x = 231,697.41

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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.