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Finding the Fourth Proportional to 246,753.60, 340,540.08 and 139,349.76

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Solution

The fourth proportional to 246,753.60, 340,540.08 and 139,349.76 is: 192,314.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,753.60 : 340,540.08 = 139,349.76 : x
  2. Step 2: Convert to fraction form
    246,753.60/340,540.08 = 139,349.76/x
  3. Step 3: Cross multiply
    246,753.60x = 340,540.08 × 139,349.76
  4. Step 4: Simplify right side
    246,753.60x = 47,454,178,418.38
  5. Step 5: Solve for x
    x = 47,454,178,418.38/246,753.60
  6. Step 6: Final answer
    x = 192,314.03

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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.