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Finding the Fourth Proportional to 48,203.10, 72,295.20 and 13,134.42

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Solution

The fourth proportional to 48,203.10, 72,295.20 and 13,134.42 is: 19,699.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,203.10 : 72,295.20 = 13,134.42 : x
  2. Step 2: Convert to fraction form
    48,203.10/72,295.20 = 13,134.42/x
  3. Step 3: Cross multiply
    48,203.10x = 72,295.20 × 13,134.42
  4. Step 4: Simplify right side
    48,203.10x = 949,555,520.78
  5. Step 5: Solve for x
    x = 949,555,520.78/48,203.10
  6. Step 6: Final answer
    x = 19,699.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.