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Finding the Fourth Proportional to 134,751.68, 202,128 and 41,257.04

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Solution

The fourth proportional to 134,751.68, 202,128 and 41,257.04 is: 61,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,751.68 : 202,128 = 41,257.04 : x
  2. Step 2: Convert to fraction form
    134,751.68/202,128 = 41,257.04/x
  3. Step 3: Cross multiply
    134,751.68x = 202,128 × 41,257.04
  4. Step 4: Simplify right side
    134,751.68x = 8,339,202,981.12
  5. Step 5: Solve for x
    x = 8,339,202,981.12/134,751.68
  6. Step 6: Final answer
    x = 61,885.71

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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.