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Finding the Fourth Proportional to 247,002.68, 340,861.56 and 133,825.16

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Solution

The fourth proportional to 247,002.68, 340,861.56 and 133,825.16 is: 184,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,002.68 : 340,861.56 = 133,825.16 : x
  2. Step 2: Convert to fraction form
    247,002.68/340,861.56 = 133,825.16/x
  3. Step 3: Cross multiply
    247,002.68x = 340,861.56 × 133,825.16
  4. Step 4: Simplify right side
    247,002.68x = 45,615,852,804.85
  5. Step 5: Solve for x
    x = 45,615,852,804.85/247,002.68
  6. Step 6: Final answer
    x = 184,677.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.