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Finding the Fourth Proportional to 168,968, 253,442.16 and 44,308.96

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Solution

The fourth proportional to 168,968, 253,442.16 and 44,308.96 is: 66,460.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,968 : 253,442.16 = 44,308.96 : x
  2. Step 2: Convert to fraction form
    168,968/253,442.16 = 44,308.96/x
  3. Step 3: Cross multiply
    168,968x = 253,442.16 × 44,308.96
  4. Step 4: Simplify right side
    168,968x = 11,229,758,529.75
  5. Step 5: Solve for x
    x = 11,229,758,529.75/168,968
  6. Step 6: Final answer
    x = 66,460.86

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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.