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Finding the Fourth Proportional to 136,650.65, 204,976.00 and 73,383.74

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Solution

The fourth proportional to 136,650.65, 204,976.00 and 73,383.74 is: 110,075.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,650.65 : 204,976.00 = 73,383.74 : x
  2. Step 2: Convert to fraction form
    136,650.65/204,976.00 = 73,383.74/x
  3. Step 3: Cross multiply
    136,650.65x = 204,976.00 × 73,383.74
  4. Step 4: Simplify right side
    136,650.65x = 15,041,905,325.75
  5. Step 5: Solve for x
    x = 15,041,905,325.75/136,650.65
  6. Step 6: Final answer
    x = 110,075.63

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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.