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Finding the Fourth Proportional to 116,181, 160,363.44 and 75,344.04

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Solution

The fourth proportional to 116,181, 160,363.44 and 75,344.04 is: 103,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,181 : 160,363.44 = 75,344.04 : x
  2. Step 2: Convert to fraction form
    116,181/160,363.44 = 75,344.04/x
  3. Step 3: Cross multiply
    116,181x = 160,363.44 × 75,344.04
  4. Step 4: Simplify right side
    116,181x = 12,082,429,437.90
  5. Step 5: Solve for x
    x = 12,082,429,437.90/116,181
  6. Step 6: Final answer
    x = 103,996.60

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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.