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Finding the Fourth Proportional to 76,101.73, 105,013.23 and 51,522.54

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Solution

The fourth proportional to 76,101.73, 105,013.23 and 51,522.54 is: 71,096.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,101.73 : 105,013.23 = 51,522.54 : x
  2. Step 2: Convert to fraction form
    76,101.73/105,013.23 = 51,522.54/x
  3. Step 3: Cross multiply
    76,101.73x = 105,013.23 × 51,522.54
  4. Step 4: Simplify right side
    76,101.73x = 5,410,548,343.20
  5. Step 5: Solve for x
    x = 5,410,548,343.20/76,101.73
  6. Step 6: Final answer
    x = 71,096.26

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1.5x scale

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.