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Finding the Fourth Proportional to 117,425.50, 162,047.20 and 67,125.58

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Solution

The fourth proportional to 117,425.50, 162,047.20 and 67,125.58 is: 92,633.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,425.50 : 162,047.20 = 67,125.58 : x
  2. Step 2: Convert to fraction form
    117,425.50/162,047.20 = 67,125.58/x
  3. Step 3: Cross multiply
    117,425.50x = 162,047.20 × 67,125.58
  4. Step 4: Simplify right side
    117,425.50x = 10,877,512,287.38
  5. Step 5: Solve for x
    x = 10,877,512,287.38/117,425.50
  6. Step 6: Final answer
    x = 92,633.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.