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Finding the Fourth Proportional to 223,611.49, 335,301.67 and 65,819.53

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Solution

The fourth proportional to 223,611.49, 335,301.67 and 65,819.53 is: 98,695.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,611.49 : 335,301.67 = 65,819.53 : x
  2. Step 2: Convert to fraction form
    223,611.49/335,301.67 = 65,819.53/x
  3. Step 3: Cross multiply
    223,611.49x = 335,301.67 × 65,819.53
  4. Step 4: Simplify right side
    223,611.49x = 22,069,398,327.62
  5. Step 5: Solve for x
    x = 22,069,398,327.62/223,611.49
  6. Step 6: Final answer
    x = 98,695.28

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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.