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Finding the Fourth Proportional to 252,827.82, 348,872.67 and 139,643.82

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Solution

The fourth proportional to 252,827.82, 348,872.67 and 139,643.82 is: 192,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,827.82 : 348,872.67 = 139,643.82 : x
  2. Step 2: Convert to fraction form
    252,827.82/348,872.67 = 139,643.82/x
  3. Step 3: Cross multiply
    252,827.82x = 348,872.67 × 139,643.82
  4. Step 4: Simplify right side
    252,827.82x = 48,717,912,332.40
  5. Step 5: Solve for x
    x = 48,717,912,332.40/252,827.82
  6. Step 6: Final answer
    x = 192,692.06

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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.