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Finding the Fourth Proportional to 281,655.55, 422,477.33 and 68,424.46

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Solution

The fourth proportional to 281,655.55, 422,477.33 and 68,424.46 is: 102,635.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,655.55 : 422,477.33 = 68,424.46 : x
  2. Step 2: Convert to fraction form
    281,655.55/422,477.33 = 68,424.46/x
  3. Step 3: Cross multiply
    281,655.55x = 422,477.33 × 68,424.46
  4. Step 4: Simplify right side
    281,655.55x = 28,907,782,825.37
  5. Step 5: Solve for x
    x = 28,907,782,825.37/281,655.55
  6. Step 6: Final answer
    x = 102,635.23

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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.