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Finding the Fourth Proportional to 136,620.34, 204,931.02 and 41,850.15

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Solution

The fourth proportional to 136,620.34, 204,931.02 and 41,850.15 is: 62,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,620.34 : 204,931.02 = 41,850.15 : x
  2. Step 2: Convert to fraction form
    136,620.34/204,931.02 = 41,850.15/x
  3. Step 3: Cross multiply
    136,620.34x = 204,931.02 × 41,850.15
  4. Step 4: Simplify right side
    136,620.34x = 8,576,393,926.65
  5. Step 5: Solve for x
    x = 8,576,393,926.65/136,620.34
  6. Step 6: Final answer
    x = 62,775.38

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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.