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Finding the Fourth Proportional to 207,675.69, 311,513.51 and 49,904.15

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Solution

The fourth proportional to 207,675.69, 311,513.51 and 49,904.15 is: 74,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,675.69 : 311,513.51 = 49,904.15 : x
  2. Step 2: Convert to fraction form
    207,675.69/311,513.51 = 49,904.15/x
  3. Step 3: Cross multiply
    207,675.69x = 311,513.51 × 49,904.15
  4. Step 4: Simplify right side
    207,675.69x = 15,545,815,122.98
  5. Step 5: Solve for x
    x = 15,545,815,122.98/207,675.69
  6. Step 6: Final answer
    x = 74,856.21

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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.