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Finding the Fourth Proportional to 246,471.91, 340,146.99 and 139,002.73

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Solution

The fourth proportional to 246,471.91, 340,146.99 and 139,002.73 is: 191,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,471.91 : 340,146.99 = 139,002.73 : x
  2. Step 2: Convert to fraction form
    246,471.91/340,146.99 = 139,002.73/x
  3. Step 3: Cross multiply
    246,471.91x = 340,146.99 × 139,002.73
  4. Step 4: Simplify right side
    246,471.91x = 47,281,360,211.28
  5. Step 5: Solve for x
    x = 47,281,360,211.28/246,471.91
  6. Step 6: Final answer
    x = 191,832.65

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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.