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Finding the Fourth Proportional to 119,463.36, 164,850.30 and 68,475.48

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Solution

The fourth proportional to 119,463.36, 164,850.30 and 68,475.48 is: 94,490.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,463.36 : 164,850.30 = 68,475.48 : x
  2. Step 2: Convert to fraction form
    119,463.36/164,850.30 = 68,475.48/x
  3. Step 3: Cross multiply
    119,463.36x = 164,850.30 × 68,475.48
  4. Step 4: Simplify right side
    119,463.36x = 11,288,203,420.64
  5. Step 5: Solve for x
    x = 11,288,203,420.64/119,463.36
  6. Step 6: Final answer
    x = 94,490.93

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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.