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Finding the Fourth Proportional to 227,119.92, 340,728.48 and 69,360

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Solution

The fourth proportional to 227,119.92, 340,728.48 and 69,360 is: 104,054.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,119.92 : 340,728.48 = 69,360 : x
  2. Step 2: Convert to fraction form
    227,119.92/340,728.48 = 69,360/x
  3. Step 3: Cross multiply
    227,119.92x = 340,728.48 × 69,360
  4. Step 4: Simplify right side
    227,119.92x = 23,632,927,372.80
  5. Step 5: Solve for x
    x = 23,632,927,372.80/227,119.92
  6. Step 6: Final answer
    x = 104,054.84

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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.