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Finding the Fourth Proportional to 58,113.10, 80,234.43 and 44,659.90

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Solution

The fourth proportional to 58,113.10, 80,234.43 and 44,659.90 is: 61,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,113.10 : 80,234.43 = 44,659.90 : x
  2. Step 2: Convert to fraction form
    58,113.10/80,234.43 = 44,659.90/x
  3. Step 3: Cross multiply
    58,113.10x = 80,234.43 × 44,659.90
  4. Step 4: Simplify right side
    58,113.10x = 3,583,261,620.36
  5. Step 5: Solve for x
    x = 3,583,261,620.36/58,113.10
  6. Step 6: Final answer
    x = 61,660.14

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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.