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Finding the Fourth Proportional to 117,562.94, 162,246.88 and 66,584.60

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Solution

The fourth proportional to 117,562.94, 162,246.88 and 66,584.60 is: 91,892.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,562.94 : 162,246.88 = 66,584.60 : x
  2. Step 2: Convert to fraction form
    117,562.94/162,246.88 = 66,584.60/x
  3. Step 3: Cross multiply
    117,562.94x = 162,246.88 × 66,584.60
  4. Step 4: Simplify right side
    117,562.94x = 10,803,143,606.05
  5. Step 5: Solve for x
    x = 10,803,143,606.05/117,562.94
  6. Step 6: Final answer
    x = 91,892.42

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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.