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Finding the Fourth Proportional to 254,540.76, 350,978.39 and 162,539.07

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Solution

The fourth proportional to 254,540.76, 350,978.39 and 162,539.07 is: 224,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,540.76 : 350,978.39 = 162,539.07 : x
  2. Step 2: Convert to fraction form
    254,540.76/350,978.39 = 162,539.07/x
  3. Step 3: Cross multiply
    254,540.76x = 350,978.39 × 162,539.07
  4. Step 4: Simplify right side
    254,540.76x = 57,047,701,100.70
  5. Step 5: Solve for x
    x = 57,047,701,100.70/254,540.76
  6. Step 6: Final answer
    x = 224,120.10

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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.