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Finding the Fourth Proportional to 106,472.55, 146,936.45 and 58,728.92

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Solution

The fourth proportional to 106,472.55, 146,936.45 and 58,728.92 is: 81,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,472.55 : 146,936.45 = 58,728.92 : x
  2. Step 2: Convert to fraction form
    106,472.55/146,936.45 = 58,728.92/x
  3. Step 3: Cross multiply
    106,472.55x = 146,936.45 × 58,728.92
  4. Step 4: Simplify right side
    106,472.55x = 8,629,419,531.30
  5. Step 5: Solve for x
    x = 8,629,419,531.30/106,472.55
  6. Step 6: Final answer
    x = 81,048.30

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1.5x scale

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.