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Finding the Fourth Proportional to 113,993.44, 157,306.06 and 63,003.54

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Solution

The fourth proportional to 113,993.44, 157,306.06 and 63,003.54 is: 86,942.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,993.44 : 157,306.06 = 63,003.54 : x
  2. Step 2: Convert to fraction form
    113,993.44/157,306.06 = 63,003.54/x
  3. Step 3: Cross multiply
    113,993.44x = 157,306.06 × 63,003.54
  4. Step 4: Simplify right side
    113,993.44x = 9,910,838,643.45
  5. Step 5: Solve for x
    x = 9,910,838,643.45/113,993.44
  6. Step 6: Final answer
    x = 86,942.18

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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.