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Finding the Fourth Proportional to 116,410.26, 160,690.04 and 68,027.90

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Solution

The fourth proportional to 116,410.26, 160,690.04 and 68,027.90 is: 93,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,410.26 : 160,690.04 = 68,027.90 : x
  2. Step 2: Convert to fraction form
    116,410.26/160,690.04 = 68,027.90/x
  3. Step 3: Cross multiply
    116,410.26x = 160,690.04 × 68,027.90
  4. Step 4: Simplify right side
    116,410.26x = 10,931,405,168.67
  5. Step 5: Solve for x
    x = 10,931,405,168.67/116,410.26
  6. Step 6: Final answer
    x = 93,904.14

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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.