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Finding the Fourth Proportional to 241,978.40, 362,967.60 and 167,328.80

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Solution

The fourth proportional to 241,978.40, 362,967.60 and 167,328.80 is: 250,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,978.40 : 362,967.60 = 167,328.80 : x
  2. Step 2: Convert to fraction form
    241,978.40/362,967.60 = 167,328.80/x
  3. Step 3: Cross multiply
    241,978.40x = 362,967.60 × 167,328.80
  4. Step 4: Simplify right side
    241,978.40x = 60,734,932,946.88
  5. Step 5: Solve for x
    x = 60,734,932,946.88/241,978.40
  6. Step 6: Final answer
    x = 250,993.20

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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.