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Finding the Fourth Proportional to 194,417.70, 268,296.40 and 104,993.70

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Solution

The fourth proportional to 194,417.70, 268,296.40 and 104,993.70 is: 144,891.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,417.70 : 268,296.40 = 104,993.70 : x
  2. Step 2: Convert to fraction form
    194,417.70/268,296.40 = 104,993.70/x
  3. Step 3: Cross multiply
    194,417.70x = 268,296.40 × 104,993.70
  4. Step 4: Simplify right side
    194,417.70x = 28,169,431,732.68
  5. Step 5: Solve for x
    x = 28,169,431,732.68/194,417.70
  6. Step 6: Final answer
    x = 144,891.29

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1.5x scale

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.