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Finding the Fourth Proportional to 143,610.30, 214,905.15 and 125,093.70

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Solution

The fourth proportional to 143,610.30, 214,905.15 and 125,093.70 is: 187,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,610.30 : 214,905.15 = 125,093.70 : x
  2. Step 2: Convert to fraction form
    143,610.30/214,905.15 = 125,093.70/x
  3. Step 3: Cross multiply
    143,610.30x = 214,905.15 × 125,093.70
  4. Step 4: Simplify right side
    143,610.30x = 26,883,280,362.56
  5. Step 5: Solve for x
    x = 26,883,280,362.56/143,610.30
  6. Step 6: Final answer
    x = 187,196.05

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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.