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Finding the Fourth Proportional to 265,850.70, 398,851.38 and 108,192.30

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Solution

The fourth proportional to 265,850.70, 398,851.38 and 108,192.30 is: 162,319.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,850.70 : 398,851.38 = 108,192.30 : x
  2. Step 2: Convert to fraction form
    265,850.70/398,851.38 = 108,192.30/x
  3. Step 3: Cross multiply
    265,850.70x = 398,851.38 × 108,192.30
  4. Step 4: Simplify right side
    265,850.70x = 43,152,648,160.37
  5. Step 5: Solve for x
    x = 43,152,648,160.37/265,850.70
  6. Step 6: Final answer
    x = 162,319.11

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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.