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Finding the Fourth Proportional to 45,369.79, 68,068.54 and 23,198.74

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Solution

The fourth proportional to 45,369.79, 68,068.54 and 23,198.74 is: 34,805.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,369.79 : 68,068.54 = 23,198.74 : x
  2. Step 2: Convert to fraction form
    45,369.79/68,068.54 = 23,198.74/x
  3. Step 3: Cross multiply
    45,369.79x = 68,068.54 × 23,198.74
  4. Step 4: Simplify right side
    45,369.79x = 1,579,104,472.86
  5. Step 5: Solve for x
    x = 1,579,104,472.86/45,369.79
  6. Step 6: Final answer
    x = 34,805.19

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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.