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Finding the Fourth Proportional to 118,045, 162,908.94 and 67,747.24

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Solution

The fourth proportional to 118,045, 162,908.94 and 67,747.24 is: 93,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,045 : 162,908.94 = 67,747.24 : x
  2. Step 2: Convert to fraction form
    118,045/162,908.94 = 67,747.24/x
  3. Step 3: Cross multiply
    118,045x = 162,908.94 × 67,747.24
  4. Step 4: Simplify right side
    118,045x = 11,036,631,056.33
  5. Step 5: Solve for x
    x = 11,036,631,056.33/118,045
  6. Step 6: Final answer
    x = 93,495.12

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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.