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Finding the Fourth Proportional to 247,950.25, 371,707.28 and 98,295.66

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Solution

The fourth proportional to 247,950.25, 371,707.28 and 98,295.66 is: 147,357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,950.25 : 371,707.28 = 98,295.66 : x
  2. Step 2: Convert to fraction form
    247,950.25/371,707.28 = 98,295.66/x
  3. Step 3: Cross multiply
    247,950.25x = 371,707.28 × 98,295.66
  4. Step 4: Simplify right side
    247,950.25x = 36,537,212,291.54
  5. Step 5: Solve for x
    x = 36,537,212,291.54/247,950.25
  6. Step 6: Final answer
    x = 147,357.03

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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.