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Finding the Fourth Proportional to 167,608.10, 251,424.30 and 100,904.60

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Solution

The fourth proportional to 167,608.10, 251,424.30 and 100,904.60 is: 151,364.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,608.10 : 251,424.30 = 100,904.60 : x
  2. Step 2: Convert to fraction form
    167,608.10/251,424.30 = 100,904.60/x
  3. Step 3: Cross multiply
    167,608.10x = 251,424.30 × 100,904.60
  4. Step 4: Simplify right side
    167,608.10x = 25,369,868,421.78
  5. Step 5: Solve for x
    x = 25,369,868,421.78/167,608.10
  6. Step 6: Final answer
    x = 151,364.21

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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.