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Finding the Fourth Proportional to 203,773.10, 305,890.05 and 157,232.30

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Solution

The fourth proportional to 203,773.10, 305,890.05 and 157,232.30 is: 236,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,773.10 : 305,890.05 = 157,232.30 : x
  2. Step 2: Convert to fraction form
    203,773.10/305,890.05 = 157,232.30/x
  3. Step 3: Cross multiply
    203,773.10x = 305,890.05 × 157,232.30
  4. Step 4: Simplify right side
    203,773.10x = 48,095,796,108.62
  5. Step 5: Solve for x
    x = 48,095,796,108.62/203,773.10
  6. Step 6: Final answer
    x = 236,026.23

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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.