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Finding the Fourth Proportional to 134,229.66, 201,164 and 67,717.58

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Solution

The fourth proportional to 134,229.66, 201,164 and 67,717.58 is: 101,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,229.66 : 201,164 = 67,717.58 : x
  2. Step 2: Convert to fraction form
    134,229.66/201,164 = 67,717.58/x
  3. Step 3: Cross multiply
    134,229.66x = 201,164 × 67,717.58
  4. Step 4: Simplify right side
    134,229.66x = 13,622,339,263.12
  5. Step 5: Solve for x
    x = 13,622,339,263.12/134,229.66
  6. Step 6: Final answer
    x = 101,485.31

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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.