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Finding the Fourth Proportional to 163,074.30, 244,611.45 and 149,296.20

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Solution

The fourth proportional to 163,074.30, 244,611.45 and 149,296.20 is: 223,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,074.30 : 244,611.45 = 149,296.20 : x
  2. Step 2: Convert to fraction form
    163,074.30/244,611.45 = 149,296.20/x
  3. Step 3: Cross multiply
    163,074.30x = 244,611.45 × 149,296.20
  4. Step 4: Simplify right side
    163,074.30x = 36,519,559,961.49
  5. Step 5: Solve for x
    x = 36,519,559,961.49/163,074.30
  6. Step 6: Final answer
    x = 223,944.30

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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.