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Finding the Fourth Proportional to 247,364.24, 371,061.94 and 69,884.92

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Solution

The fourth proportional to 247,364.24, 371,061.94 and 69,884.92 is: 104,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,364.24 : 371,061.94 = 69,884.92 : x
  2. Step 2: Convert to fraction form
    247,364.24/371,061.94 = 69,884.92/x
  3. Step 3: Cross multiply
    247,364.24x = 371,061.94 × 69,884.92
  4. Step 4: Simplify right side
    247,364.24x = 25,931,633,991.94
  5. Step 5: Solve for x
    x = 25,931,633,991.94/247,364.24
  6. Step 6: Final answer
    x = 104,831.78

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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.