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Finding the Fourth Proportional to 248,906.70, 373,360.05 and 80,426.70

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Solution

The fourth proportional to 248,906.70, 373,360.05 and 80,426.70 is: 120,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,906.70 : 373,360.05 = 80,426.70 : x
  2. Step 2: Convert to fraction form
    248,906.70/373,360.05 = 80,426.70/x
  3. Step 3: Cross multiply
    248,906.70x = 373,360.05 × 80,426.70
  4. Step 4: Simplify right side
    248,906.70x = 30,028,116,733.34
  5. Step 5: Solve for x
    x = 30,028,116,733.34/248,906.70
  6. Step 6: Final answer
    x = 120,640.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.