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Finding the Fourth Proportional to 108,622, 162,925.71 and 29,736.91

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Solution

The fourth proportional to 108,622, 162,925.71 and 29,736.91 is: 44,603.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,622 : 162,925.71 = 29,736.91 : x
  2. Step 2: Convert to fraction form
    108,622/162,925.71 = 29,736.91/x
  3. Step 3: Cross multiply
    108,622x = 162,925.71 × 29,736.91
  4. Step 4: Simplify right side
    108,622x = 4,844,907,174.96
  5. Step 5: Solve for x
    x = 4,844,907,174.96/108,622
  6. Step 6: Final answer
    x = 44,603.37

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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.