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Finding the Fourth Proportional to 227,292.10, 340,976.40 and 69,483.70

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Solution

The fourth proportional to 227,292.10, 340,976.40 and 69,483.70 is: 104,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,292.10 : 340,976.40 = 69,483.70 : x
  2. Step 2: Convert to fraction form
    227,292.10/340,976.40 = 69,483.70/x
  3. Step 3: Cross multiply
    227,292.10x = 340,976.40 × 69,483.70
  4. Step 4: Simplify right side
    227,292.10x = 23,692,301,884.68
  5. Step 5: Solve for x
    x = 23,692,301,884.68/227,292.10
  6. Step 6: Final answer
    x = 104,237.24

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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.