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Finding the Fourth Proportional to 110,511.30, 165,768.10 and 88,464.82

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Solution

The fourth proportional to 110,511.30, 165,768.10 and 88,464.82 is: 132,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,511.30 : 165,768.10 = 88,464.82 : x
  2. Step 2: Convert to fraction form
    110,511.30/165,768.10 = 88,464.82/x
  3. Step 3: Cross multiply
    110,511.30x = 165,768.10 × 88,464.82
  4. Step 4: Simplify right side
    110,511.30x = 14,664,644,907.08
  5. Step 5: Solve for x
    x = 14,664,644,907.08/110,511.30
  6. Step 6: Final answer
    x = 132,698.15

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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.