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Finding the Fourth Proportional to 195,813.94, 293,748.94 and 74,279.16

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Solution

The fourth proportional to 195,813.94, 293,748.94 and 74,279.16 is: 111,429.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,813.94 : 293,748.94 = 74,279.16 : x
  2. Step 2: Convert to fraction form
    195,813.94/293,748.94 = 74,279.16/x
  3. Step 3: Cross multiply
    195,813.94x = 293,748.94 × 74,279.16
  4. Step 4: Simplify right side
    195,813.94x = 21,819,424,328.39
  5. Step 5: Solve for x
    x = 21,819,424,328.39/195,813.94
  6. Step 6: Final answer
    x = 111,429.37

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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.