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Finding the Fourth Proportional to 180,380.73, 248,885.90 and 107,772.73

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Solution

The fourth proportional to 180,380.73, 248,885.90 and 107,772.73 is: 148,702.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,380.73 : 248,885.90 = 107,772.73 : x
  2. Step 2: Convert to fraction form
    180,380.73/248,885.90 = 107,772.73/x
  3. Step 3: Cross multiply
    180,380.73x = 248,885.90 × 107,772.73
  4. Step 4: Simplify right side
    180,380.73x = 26,823,112,144.58
  5. Step 5: Solve for x
    x = 26,823,112,144.58/180,380.73
  6. Step 6: Final answer
    x = 148,702.76

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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.