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Finding the Fourth Proportional to 252,570.26, 348,545.37 and 139,392.98

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Solution

The fourth proportional to 252,570.26, 348,545.37 and 139,392.98 is: 192,361.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,570.26 : 348,545.37 = 139,392.98 : x
  2. Step 2: Convert to fraction form
    252,570.26/348,545.37 = 139,392.98/x
  3. Step 3: Cross multiply
    252,570.26x = 348,545.37 × 139,392.98
  4. Step 4: Simplify right side
    252,570.26x = 48,584,777,789.50
  5. Step 5: Solve for x
    x = 48,584,777,789.50/252,570.26
  6. Step 6: Final answer
    x = 192,361.44

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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.