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Finding the Fourth Proportional to 106,502.61, 146,974.08 and 58,755.96

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Solution

The fourth proportional to 106,502.61, 146,974.08 and 58,755.96 is: 81,083.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,502.61 : 146,974.08 = 58,755.96 : x
  2. Step 2: Convert to fraction form
    106,502.61/146,974.08 = 58,755.96/x
  3. Step 3: Cross multiply
    106,502.61x = 146,974.08 × 58,755.96
  4. Step 4: Simplify right side
    106,502.61x = 8,635,603,165.52
  5. Step 5: Solve for x
    x = 8,635,603,165.52/106,502.61
  6. Step 6: Final answer
    x = 81,083.49

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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.