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Finding the Fourth Proportional to 223,593.45, 335,390.19 and 65,821.92

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Solution

The fourth proportional to 223,593.45, 335,390.19 and 65,821.92 is: 98,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,593.45 : 335,390.19 = 65,821.92 : x
  2. Step 2: Convert to fraction form
    223,593.45/335,390.19 = 65,821.92/x
  3. Step 3: Cross multiply
    223,593.45x = 335,390.19 × 65,821.92
  4. Step 4: Simplify right side
    223,593.45x = 22,076,026,254.96
  5. Step 5: Solve for x
    x = 22,076,026,254.96/223,593.45
  6. Step 6: Final answer
    x = 98,732.88

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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.