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Finding the Fourth Proportional to 68,094.16, 102,141.24 and 18,174.42

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Solution

The fourth proportional to 68,094.16, 102,141.24 and 18,174.42 is: 27,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,094.16 : 102,141.24 = 18,174.42 : x
  2. Step 2: Convert to fraction form
    68,094.16/102,141.24 = 18,174.42/x
  3. Step 3: Cross multiply
    68,094.16x = 102,141.24 × 18,174.42
  4. Step 4: Simplify right side
    68,094.16x = 1,856,357,795.08
  5. Step 5: Solve for x
    x = 1,856,357,795.08/68,094.16
  6. Step 6: Final answer
    x = 27,261.63

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1.5x scale

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.