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Finding the Fourth Proportional to 173,040.40, 259,042.20 and 102,883.60

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Solution

The fourth proportional to 173,040.40, 259,042.20 and 102,883.60 is: 154,017.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,040.40 : 259,042.20 = 102,883.60 : x
  2. Step 2: Convert to fraction form
    173,040.40/259,042.20 = 102,883.60/x
  3. Step 3: Cross multiply
    173,040.40x = 259,042.20 × 102,883.60
  4. Step 4: Simplify right side
    173,040.40x = 26,651,194,087.92
  5. Step 5: Solve for x
    x = 26,651,194,087.92/173,040.40
  6. Step 6: Final answer
    x = 154,017.18

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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.