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Finding the Fourth Proportional to 230,033.70, 345,061.35 and 72,267.30

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Solution

The fourth proportional to 230,033.70, 345,061.35 and 72,267.30 is: 108,404.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,033.70 : 345,061.35 = 72,267.30 : x
  2. Step 2: Convert to fraction form
    230,033.70/345,061.35 = 72,267.30/x
  3. Step 3: Cross multiply
    230,033.70x = 345,061.35 × 72,267.30
  4. Step 4: Simplify right side
    230,033.70x = 24,936,652,098.86
  5. Step 5: Solve for x
    x = 24,936,652,098.86/230,033.70
  6. Step 6: Final answer
    x = 108,404.34

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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.