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Finding the Fourth Proportional to 301,485.56, 416,029.26 and 167,339

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Solution

The fourth proportional to 301,485.56, 416,029.26 and 167,339 is: 230,916.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,485.56 : 416,029.26 = 167,339 : x
  2. Step 2: Convert to fraction form
    301,485.56/416,029.26 = 167,339/x
  3. Step 3: Cross multiply
    301,485.56x = 416,029.26 × 167,339
  4. Step 4: Simplify right side
    301,485.56x = 69,617,920,339.14
  5. Step 5: Solve for x
    x = 69,617,920,339.14/301,485.56
  6. Step 6: Final answer
    x = 230,916.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.