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Finding the Fourth Proportional to 246,737.16, 340,494.29 and 139,311.72

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Solution

The fourth proportional to 246,737.16, 340,494.29 and 139,311.72 is: 192,248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,737.16 : 340,494.29 = 139,311.72 : x
  2. Step 2: Convert to fraction form
    246,737.16/340,494.29 = 139,311.72/x
  3. Step 3: Cross multiply
    246,737.16x = 340,494.29 × 139,311.72
  4. Step 4: Simplify right side
    246,737.16x = 47,434,845,190.08
  5. Step 5: Solve for x
    x = 47,434,845,190.08/246,737.16
  6. Step 6: Final answer
    x = 192,248.48

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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.