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Finding the Fourth Proportional to 203,570.88, 305,400.60 and 63,340.80

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Solution

The fourth proportional to 203,570.88, 305,400.60 and 63,340.80 is: 95,024.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,570.88 : 305,400.60 = 63,340.80 : x
  2. Step 2: Convert to fraction form
    203,570.88/305,400.60 = 63,340.80/x
  3. Step 3: Cross multiply
    203,570.88x = 305,400.60 × 63,340.80
  4. Step 4: Simplify right side
    203,570.88x = 19,344,318,324.48
  5. Step 5: Solve for x
    x = 19,344,318,324.48/203,570.88
  6. Step 6: Final answer
    x = 95,024.98

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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.