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Finding the Fourth Proportional to 107,203.87, 147,946.28 and 59,454.37

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Solution

The fourth proportional to 107,203.87, 147,946.28 and 59,454.37 is: 82,049.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,203.87 : 147,946.28 = 59,454.37 : x
  2. Step 2: Convert to fraction form
    107,203.87/147,946.28 = 59,454.37/x
  3. Step 3: Cross multiply
    107,203.87x = 147,946.28 × 59,454.37
  4. Step 4: Simplify right side
    107,203.87x = 8,796,052,871.24
  5. Step 5: Solve for x
    x = 8,796,052,871.24/107,203.87
  6. Step 6: Final answer
    x = 82,049.77

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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.