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Finding the Fourth Proportional to 55,254.80, 82,940.17 and 48,969.89

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Solution

The fourth proportional to 55,254.80, 82,940.17 and 48,969.89 is: 73,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,254.80 : 82,940.17 = 48,969.89 : x
  2. Step 2: Convert to fraction form
    55,254.80/82,940.17 = 48,969.89/x
  3. Step 3: Cross multiply
    55,254.80x = 82,940.17 × 48,969.89
  4. Step 4: Simplify right side
    55,254.80x = 4,061,570,586.78
  5. Step 5: Solve for x
    x = 4,061,570,586.78/55,254.80
  6. Step 6: Final answer
    x = 73,506.20

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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.