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Finding the Fourth Proportional to 246,472.91, 340,148.37 and 139,003.73

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Solution

The fourth proportional to 246,472.91, 340,148.37 and 139,003.73 is: 191,834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,472.91 : 340,148.37 = 139,003.73 : x
  2. Step 2: Convert to fraction form
    246,472.91/340,148.37 = 139,003.73/x
  3. Step 3: Cross multiply
    246,472.91x = 340,148.37 × 139,003.73
  4. Step 4: Simplify right side
    246,472.91x = 47,281,892,183.42
  5. Step 5: Solve for x
    x = 47,281,892,183.42/246,472.91
  6. Step 6: Final answer
    x = 191,834.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.