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Finding the Fourth Proportional to 167,230.51, 230,776.91 and 90,747.65

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Solution

The fourth proportional to 167,230.51, 230,776.91 and 90,747.65 is: 125,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,230.51 : 230,776.91 = 90,747.65 : x
  2. Step 2: Convert to fraction form
    167,230.51/230,776.91 = 90,747.65/x
  3. Step 3: Cross multiply
    167,230.51x = 230,776.91 × 90,747.65
  4. Step 4: Simplify right side
    167,230.51x = 20,942,462,256.76
  5. Step 5: Solve for x
    x = 20,942,462,256.76/167,230.51
  6. Step 6: Final answer
    x = 125,231.11

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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.