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Finding the Fourth Proportional to 167,320.91, 230,896.01 and 90,837.04

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Solution

The fourth proportional to 167,320.91, 230,896.01 and 90,837.04 is: 125,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,320.91 : 230,896.01 = 90,837.04 : x
  2. Step 2: Convert to fraction form
    167,320.91/230,896.01 = 90,837.04/x
  3. Step 3: Cross multiply
    167,320.91x = 230,896.01 × 90,837.04
  4. Step 4: Simplify right side
    167,320.91x = 20,973,909,930.65
  5. Step 5: Solve for x
    x = 20,973,909,930.65/167,320.91
  6. Step 6: Final answer
    x = 125,351.40

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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.