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Finding the Fourth Proportional to 252,960.39, 349,107.44 and 139,805.01

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Solution

The fourth proportional to 252,960.39, 349,107.44 and 139,805.01 is: 192,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,960.39 : 349,107.44 = 139,805.01 : x
  2. Step 2: Convert to fraction form
    252,960.39/349,107.44 = 139,805.01/x
  3. Step 3: Cross multiply
    252,960.39x = 349,107.44 × 139,805.01
  4. Step 4: Simplify right side
    252,960.39x = 48,806,968,441.25
  5. Step 5: Solve for x
    x = 48,806,968,441.25/252,960.39
  6. Step 6: Final answer
    x = 192,943.13

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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.