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Finding the Fourth Proportional to 117,812.52, 162,579.49 and 64,096.31

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Solution

The fourth proportional to 117,812.52, 162,579.49 and 64,096.31 is: 88,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,812.52 : 162,579.49 = 64,096.31 : x
  2. Step 2: Convert to fraction form
    117,812.52/162,579.49 = 64,096.31/x
  3. Step 3: Cross multiply
    117,812.52x = 162,579.49 × 64,096.31
  4. Step 4: Simplify right side
    117,812.52x = 10,420,745,390.68
  5. Step 5: Solve for x
    x = 10,420,745,390.68/117,812.52
  6. Step 6: Final answer
    x = 88,451.94

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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.