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Finding the Fourth Proportional to 194,480.98, 291,546.39 and 69,792.82

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Solution

The fourth proportional to 194,480.98, 291,546.39 and 69,792.82 is: 104,626.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,480.98 : 291,546.39 = 69,792.82 : x
  2. Step 2: Convert to fraction form
    194,480.98/291,546.39 = 69,792.82/x
  3. Step 3: Cross multiply
    194,480.98x = 291,546.39 × 69,792.82
  4. Step 4: Simplify right side
    194,480.98x = 20,347,844,718.92
  5. Step 5: Solve for x
    x = 20,347,844,718.92/194,480.98
  6. Step 6: Final answer
    x = 104,626.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.