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Finding the Fourth Proportional to 146,597.80, 219,896.70 and 111,605.80

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Solution

The fourth proportional to 146,597.80, 219,896.70 and 111,605.80 is: 167,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,597.80 : 219,896.70 = 111,605.80 : x
  2. Step 2: Convert to fraction form
    146,597.80/219,896.70 = 111,605.80/x
  3. Step 3: Cross multiply
    146,597.80x = 219,896.70 × 111,605.80
  4. Step 4: Simplify right side
    146,597.80x = 24,541,747,120.86
  5. Step 5: Solve for x
    x = 24,541,747,120.86/146,597.80
  6. Step 6: Final answer
    x = 167,408.70

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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.