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Finding the Fourth Proportional to 223,564.40, 335,249.40 and 73,746.80

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Solution

The fourth proportional to 223,564.40, 335,249.40 and 73,746.80 is: 110,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,564.40 : 335,249.40 = 73,746.80 : x
  2. Step 2: Convert to fraction form
    223,564.40/335,249.40 = 73,746.80/x
  3. Step 3: Cross multiply
    223,564.40x = 335,249.40 × 73,746.80
  4. Step 4: Simplify right side
    223,564.40x = 24,723,570,451.92
  5. Step 5: Solve for x
    x = 24,723,570,451.92/223,564.40
  6. Step 6: Final answer
    x = 110,588.14

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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.