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Finding the Fourth Proportional to 215,745.37, 323,190.87 and 101,737.06

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Solution

The fourth proportional to 215,745.37, 323,190.87 and 101,737.06 is: 152,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,745.37 : 323,190.87 = 101,737.06 : x
  2. Step 2: Convert to fraction form
    215,745.37/323,190.87 = 101,737.06/x
  3. Step 3: Cross multiply
    215,745.37x = 323,190.87 × 101,737.06
  4. Step 4: Simplify right side
    215,745.37x = 32,880,488,932.64
  5. Step 5: Solve for x
    x = 32,880,488,932.64/215,745.37
  6. Step 6: Final answer
    x = 152,404.15

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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.