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Finding the Fourth Proportional to 92,460.56, 138,474.84 and 45,562.64

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Solution

The fourth proportional to 92,460.56, 138,474.84 and 45,562.64 is: 68,237.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,460.56 : 138,474.84 = 45,562.64 : x
  2. Step 2: Convert to fraction form
    92,460.56/138,474.84 = 45,562.64/x
  3. Step 3: Cross multiply
    92,460.56x = 138,474.84 × 45,562.64
  4. Step 4: Simplify right side
    92,460.56x = 6,309,279,283.98
  5. Step 5: Solve for x
    x = 6,309,279,283.98/92,460.56
  6. Step 6: Final answer
    x = 68,237.52

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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.