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Finding the Fourth Proportional to 178,258.49, 246,003.49 and 101,790.03

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Solution

The fourth proportional to 178,258.49, 246,003.49 and 101,790.03 is: 140,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,258.49 : 246,003.49 = 101,790.03 : x
  2. Step 2: Convert to fraction form
    178,258.49/246,003.49 = 101,790.03/x
  3. Step 3: Cross multiply
    178,258.49x = 246,003.49 × 101,790.03
  4. Step 4: Simplify right side
    178,258.49x = 25,040,702,627.20
  5. Step 5: Solve for x
    x = 25,040,702,627.20/178,258.49
  6. Step 6: Final answer
    x = 140,474.11

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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.