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Finding the Fourth Proportional to 63,318.98, 94,736.66 and 55,362.74

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Solution

The fourth proportional to 63,318.98, 94,736.66 and 55,362.74 is: 82,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,318.98 : 94,736.66 = 55,362.74 : x
  2. Step 2: Convert to fraction form
    63,318.98/94,736.66 = 55,362.74/x
  3. Step 3: Cross multiply
    63,318.98x = 94,736.66 × 55,362.74
  4. Step 4: Simplify right side
    63,318.98x = 5,244,881,076.05
  5. Step 5: Solve for x
    x = 5,244,881,076.05/63,318.98
  6. Step 6: Final answer
    x = 82,832.68

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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.