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Finding the Fourth Proportional to 252,532.57, 348,493.23 and 139,355.32

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Solution

The fourth proportional to 252,532.57, 348,493.23 and 139,355.32 is: 192,309.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,532.57 : 348,493.23 = 139,355.32 : x
  2. Step 2: Convert to fraction form
    252,532.57/348,493.23 = 139,355.32/x
  3. Step 3: Cross multiply
    252,532.57x = 348,493.23 × 139,355.32
  4. Step 4: Simplify right side
    252,532.57x = 48,564,384,713.25
  5. Step 5: Solve for x
    x = 48,564,384,713.25/252,532.57
  6. Step 6: Final answer
    x = 192,309.39

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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.