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Finding the Fourth Proportional to 106,473.30, 146,937.50 and 58,729.68

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Solution

The fourth proportional to 106,473.30, 146,937.50 and 58,729.68 is: 81,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,473.30 : 146,937.50 = 58,729.68 : x
  2. Step 2: Convert to fraction form
    106,473.30/146,937.50 = 58,729.68/x
  3. Step 3: Cross multiply
    106,473.30x = 146,937.50 × 58,729.68
  4. Step 4: Simplify right side
    106,473.30x = 8,629,592,061.35
  5. Step 5: Solve for x
    x = 8,629,592,061.35/106,473.30
  6. Step 6: Final answer
    x = 81,049.35

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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.