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Finding the Fourth Proportional to 111,511.60, 167,267.40 and 36,643.30

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Solution

The fourth proportional to 111,511.60, 167,267.40 and 36,643.30 is: 54,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,511.60 : 167,267.40 = 36,643.30 : x
  2. Step 2: Convert to fraction form
    111,511.60/167,267.40 = 36,643.30/x
  3. Step 3: Cross multiply
    111,511.60x = 167,267.40 × 36,643.30
  4. Step 4: Simplify right side
    111,511.60x = 6,129,229,518.42
  5. Step 5: Solve for x
    x = 6,129,229,518.42/111,511.60
  6. Step 6: Final answer
    x = 54,964.95

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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.