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Finding the Fourth Proportional to 66,935.43, 100,266.46 and 37,369.01

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Solution

The fourth proportional to 66,935.43, 100,266.46 and 37,369.01 is: 55,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,935.43 : 100,266.46 = 37,369.01 : x
  2. Step 2: Convert to fraction form
    66,935.43/100,266.46 = 37,369.01/x
  3. Step 3: Cross multiply
    66,935.43x = 100,266.46 × 37,369.01
  4. Step 4: Simplify right side
    66,935.43x = 3,746,858,503.65
  5. Step 5: Solve for x
    x = 3,746,858,503.65/66,935.43
  6. Step 6: Final answer
    x = 55,977.21

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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.