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Finding the Fourth Proportional to 252,994.50, 349,127.73 and 139,814.82

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Solution

The fourth proportional to 252,994.50, 349,127.73 and 139,814.82 is: 192,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,994.50 : 349,127.73 = 139,814.82 : x
  2. Step 2: Convert to fraction form
    252,994.50/349,127.73 = 139,814.82/x
  3. Step 3: Cross multiply
    252,994.50x = 349,127.73 × 139,814.82
  4. Step 4: Simplify right side
    252,994.50x = 48,813,230,726.96
  5. Step 5: Solve for x
    x = 48,813,230,726.96/252,994.50
  6. Step 6: Final answer
    x = 192,941.87

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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.