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Finding the Fourth Proportional to 223,768.10, 335,618.82 and 74,009.23

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Solution

The fourth proportional to 223,768.10, 335,618.82 and 74,009.23 is: 111,002.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,768.10 : 335,618.82 = 74,009.23 : x
  2. Step 2: Convert to fraction form
    223,768.10/335,618.82 = 74,009.23/x
  3. Step 3: Cross multiply
    223,768.10x = 335,618.82 × 74,009.23
  4. Step 4: Simplify right side
    223,768.10x = 24,838,890,441.71
  5. Step 5: Solve for x
    x = 24,838,890,441.71/223,768.10
  6. Step 6: Final answer
    x = 111,002.82

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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.