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Finding the Fourth Proportional to 109,766.04, 151,339.50 and 89,602.44

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Solution

The fourth proportional to 109,766.04, 151,339.50 and 89,602.44 is: 123,539.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,766.04 : 151,339.50 = 89,602.44 : x
  2. Step 2: Convert to fraction form
    109,766.04/151,339.50 = 89,602.44/x
  3. Step 3: Cross multiply
    109,766.04x = 151,339.50 × 89,602.44
  4. Step 4: Simplify right side
    109,766.04x = 13,560,388,468.38
  5. Step 5: Solve for x
    x = 13,560,388,468.38/109,766.04
  6. Step 6: Final answer
    x = 123,539.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.