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Finding the Fourth Proportional to 194,754.84, 292,164.55 and 68,362.29

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Solution

The fourth proportional to 194,754.84, 292,164.55 and 68,362.29 is: 102,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,754.84 : 292,164.55 = 68,362.29 : x
  2. Step 2: Convert to fraction form
    194,754.84/292,164.55 = 68,362.29/x
  3. Step 3: Cross multiply
    194,754.84x = 292,164.55 × 68,362.29
  4. Step 4: Simplify right side
    194,754.84x = 19,973,037,523.91
  5. Step 5: Solve for x
    x = 19,973,037,523.91/194,754.84
  6. Step 6: Final answer
    x = 102,554.77

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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.