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Finding the Fourth Proportional to 167,099.61, 248,913.06 and 158,045.43

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Solution

The fourth proportional to 167,099.61, 248,913.06 and 158,045.43 is: 235,425.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,099.61 : 248,913.06 = 158,045.43 : x
  2. Step 2: Convert to fraction form
    167,099.61/248,913.06 = 158,045.43/x
  3. Step 3: Cross multiply
    167,099.61x = 248,913.06 × 158,045.43
  4. Step 4: Simplify right side
    167,099.61x = 39,339,571,600.32
  5. Step 5: Solve for x
    x = 39,339,571,600.32/167,099.61
  6. Step 6: Final answer
    x = 235,425.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.