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Finding the Fourth Proportional to 167,377.72, 230,980.54 and 90,896.28

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Solution

The fourth proportional to 167,377.72, 230,980.54 and 90,896.28 is: 125,436.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,377.72 : 230,980.54 = 90,896.28 : x
  2. Step 2: Convert to fraction form
    167,377.72/230,980.54 = 90,896.28/x
  3. Step 3: Cross multiply
    167,377.72x = 230,980.54 × 90,896.28
  4. Step 4: Simplify right side
    167,377.72x = 20,995,271,838.39
  5. Step 5: Solve for x
    x = 20,995,271,838.39/167,377.72
  6. Step 6: Final answer
    x = 125,436.48

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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.