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Finding the Fourth Proportional to 246,737.66, 340,494.98 and 139,312.22

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Solution

The fourth proportional to 246,737.66, 340,494.98 and 139,312.22 is: 192,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,737.66 : 340,494.98 = 139,312.22 : x
  2. Step 2: Convert to fraction form
    246,737.66/340,494.98 = 139,312.22/x
  3. Step 3: Cross multiply
    246,737.66x = 340,494.98 × 139,312.22
  4. Step 4: Simplify right side
    246,737.66x = 47,435,111,562.66
  5. Step 5: Solve for x
    x = 47,435,111,562.66/246,737.66
  6. Step 6: Final answer
    x = 192,249.17

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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.