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Finding the Fourth Proportional to 178,508.26, 267,763.37 and 45,388.60

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Solution

The fourth proportional to 178,508.26, 267,763.37 and 45,388.60 is: 68,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,508.26 : 267,763.37 = 45,388.60 : x
  2. Step 2: Convert to fraction form
    178,508.26/267,763.37 = 45,388.60/x
  3. Step 3: Cross multiply
    178,508.26x = 267,763.37 × 45,388.60
  4. Step 4: Simplify right side
    178,508.26x = 12,153,405,360.71
  5. Step 5: Solve for x
    x = 12,153,405,360.71/178,508.26
  6. Step 6: Final answer
    x = 68,083.16

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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.