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Finding the Fourth Proportional to 223,765.38, 335,599.38 and 73,970.28

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Solution

The fourth proportional to 223,765.38, 335,599.38 and 73,970.28 is: 110,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,765.38 : 335,599.38 = 73,970.28 : x
  2. Step 2: Convert to fraction form
    223,765.38/335,599.38 = 73,970.28/x
  3. Step 3: Cross multiply
    223,765.38x = 335,599.38 × 73,970.28
  4. Step 4: Simplify right side
    223,765.38x = 24,824,380,106.43
  5. Step 5: Solve for x
    x = 24,824,380,106.43/223,765.38
  6. Step 6: Final answer
    x = 110,939.32

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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.