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Finding the Fourth Proportional to 194,754.65, 292,164.27 and 68,362.10

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Solution

The fourth proportional to 194,754.65, 292,164.27 and 68,362.10 is: 102,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,754.65 : 292,164.27 = 68,362.10 : x
  2. Step 2: Convert to fraction form
    194,754.65/292,164.27 = 68,362.10/x
  3. Step 3: Cross multiply
    194,754.65x = 292,164.27 × 68,362.10
  4. Step 4: Simplify right side
    194,754.65x = 19,972,963,242.32
  5. Step 5: Solve for x
    x = 19,972,963,242.32/194,754.65
  6. Step 6: Final answer
    x = 102,554.49

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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.