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Finding the Fourth Proportional to 358,087.43, 537,367.76 and 168,601.97

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Solution

The fourth proportional to 358,087.43, 537,367.76 and 168,601.97 is: 253,014.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,087.43 : 537,367.76 = 168,601.97 : x
  2. Step 2: Convert to fraction form
    358,087.43/537,367.76 = 168,601.97/x
  3. Step 3: Cross multiply
    358,087.43x = 537,367.76 × 168,601.97
  4. Step 4: Simplify right side
    358,087.43x = 90,601,263,450.90
  5. Step 5: Solve for x
    x = 90,601,263,450.90/358,087.43
  6. Step 6: Final answer
    x = 253,014.37

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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.