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Finding the Fourth Proportional to 252,870.24, 348,960.72 and 139,692.48

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Solution

The fourth proportional to 252,870.24, 348,960.72 and 139,692.48 is: 192,775.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,870.24 : 348,960.72 = 139,692.48 : x
  2. Step 2: Convert to fraction form
    252,870.24/348,960.72 = 139,692.48/x
  3. Step 3: Cross multiply
    252,870.24x = 348,960.72 × 139,692.48
  4. Step 4: Simplify right side
    252,870.24x = 48,747,188,399.39
  5. Step 5: Solve for x
    x = 48,747,188,399.39/252,870.24
  6. Step 6: Final answer
    x = 192,775.51

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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.