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Finding the Fourth Proportional to 167,278.51, 230,844.50 and 90,797.67

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Solution

The fourth proportional to 167,278.51, 230,844.50 and 90,797.67 is: 125,300.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,278.51 : 230,844.50 = 90,797.67 : x
  2. Step 2: Convert to fraction form
    167,278.51/230,844.50 = 90,797.67/x
  3. Step 3: Cross multiply
    167,278.51x = 230,844.50 × 90,797.67
  4. Step 4: Simplify right side
    167,278.51x = 20,960,142,618.82
  5. Step 5: Solve for x
    x = 20,960,142,618.82/167,278.51
  6. Step 6: Final answer
    x = 125,300.87

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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.