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Finding the Fourth Proportional to 167,405.42, 251,108.13 and 73,892.54

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Solution

The fourth proportional to 167,405.42, 251,108.13 and 73,892.54 is: 110,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,405.42 : 251,108.13 = 73,892.54 : x
  2. Step 2: Convert to fraction form
    167,405.42/251,108.13 = 73,892.54/x
  3. Step 3: Cross multiply
    167,405.42x = 251,108.13 × 73,892.54
  4. Step 4: Simplify right side
    167,405.42x = 18,555,018,445.22
  5. Step 5: Solve for x
    x = 18,555,018,445.22/167,405.42
  6. Step 6: Final answer
    x = 110,838.81

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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.