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Finding the Fourth Proportional to 223,453.86, 335,133.50 and 73,658.55

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Solution

The fourth proportional to 223,453.86, 335,133.50 and 73,658.55 is: 110,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,453.86 : 335,133.50 = 73,658.55 : x
  2. Step 2: Convert to fraction form
    223,453.86/335,133.50 = 73,658.55/x
  3. Step 3: Cross multiply
    223,453.86x = 335,133.50 × 73,658.55
  4. Step 4: Simplify right side
    223,453.86x = 24,685,445,990.76
  5. Step 5: Solve for x
    x = 24,685,445,990.76/223,453.86
  6. Step 6: Final answer
    x = 110,472.23

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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.