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Finding the Fourth Proportional to 247,806.60, 371,724.03 and 70,299.69

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Solution

The fourth proportional to 247,806.60, 371,724.03 and 70,299.69 is: 105,453.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,806.60 : 371,724.03 = 70,299.69 : x
  2. Step 2: Convert to fraction form
    247,806.60/371,724.03 = 70,299.69/x
  3. Step 3: Cross multiply
    247,806.60x = 371,724.03 × 70,299.69
  4. Step 4: Simplify right side
    247,806.60x = 26,132,084,074.55
  5. Step 5: Solve for x
    x = 26,132,084,074.55/247,806.60
  6. Step 6: Final answer
    x = 105,453.54

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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.