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Finding the Fourth Proportional to 247,804.86, 371,721.36 and 70,297.94

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Solution

The fourth proportional to 247,804.86, 371,721.36 and 70,297.94 is: 105,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,804.86 : 371,721.36 = 70,297.94 : x
  2. Step 2: Convert to fraction form
    247,804.86/371,721.36 = 70,297.94/x
  3. Step 3: Cross multiply
    247,804.86x = 371,721.36 × 70,297.94
  4. Step 4: Simplify right side
    247,804.86x = 26,131,245,862.00
  5. Step 5: Solve for x
    x = 26,131,245,862.00/247,804.86
  6. Step 6: Final answer
    x = 105,450.90

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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.