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Finding the Fourth Proportional to 106,472.92, 146,933.04 and 58,725.58

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Solution

The fourth proportional to 106,472.92, 146,933.04 and 58,725.58 is: 81,041.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,472.92 : 146,933.04 = 58,725.58 : x
  2. Step 2: Convert to fraction form
    106,472.92/146,933.04 = 58,725.58/x
  3. Step 3: Cross multiply
    106,472.92x = 146,933.04 × 58,725.58
  4. Step 4: Simplify right side
    106,472.92x = 8,628,727,995.16
  5. Step 5: Solve for x
    x = 8,628,727,995.16/106,472.92
  6. Step 6: Final answer
    x = 81,041.53

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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.