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Finding the Fourth Proportional to 166,843.56, 230,244.80 and 90,363.56

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Solution

The fourth proportional to 166,843.56, 230,244.80 and 90,363.56 is: 124,702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,843.56 : 230,244.80 = 90,363.56 : x
  2. Step 2: Convert to fraction form
    166,843.56/230,244.80 = 90,363.56/x
  3. Step 3: Cross multiply
    166,843.56x = 230,244.80 × 90,363.56
  4. Step 4: Simplify right side
    166,843.56x = 20,805,739,059.86
  5. Step 5: Solve for x
    x = 20,805,739,059.86/166,843.56
  6. Step 6: Final answer
    x = 124,702.08

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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.