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Finding the Fourth Proportional to 108,858.52, 163,338 and 49,712.32

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Solution

The fourth proportional to 108,858.52, 163,338 and 49,712.32 is: 74,591.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,858.52 : 163,338 = 49,712.32 : x
  2. Step 2: Convert to fraction form
    108,858.52/163,338 = 49,712.32/x
  3. Step 3: Cross multiply
    108,858.52x = 163,338 × 49,712.32
  4. Step 4: Simplify right side
    108,858.52x = 8,119,910,924.16
  5. Step 5: Solve for x
    x = 8,119,910,924.16/108,858.52
  6. Step 6: Final answer
    x = 74,591.41

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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.