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Finding the Fourth Proportional to 137,325.87, 205,628.36 and 110,529.45

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Solution

The fourth proportional to 137,325.87, 205,628.36 and 110,529.45 is: 165,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,325.87 : 205,628.36 = 110,529.45 : x
  2. Step 2: Convert to fraction form
    137,325.87/205,628.36 = 110,529.45/x
  3. Step 3: Cross multiply
    137,325.87x = 205,628.36 × 110,529.45
  4. Step 4: Simplify right side
    137,325.87x = 22,727,988,982.55
  5. Step 5: Solve for x
    x = 22,727,988,982.55/137,325.87
  6. Step 6: Final answer
    x = 165,504.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.