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Finding the Fourth Proportional to 203,726.54, 281,160.42 and 118,870.94

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Solution

The fourth proportional to 203,726.54, 281,160.42 and 118,870.94 is: 164,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,726.54 : 281,160.42 = 118,870.94 : x
  2. Step 2: Convert to fraction form
    203,726.54/281,160.42 = 118,870.94/x
  3. Step 3: Cross multiply
    203,726.54x = 281,160.42 × 118,870.94
  4. Step 4: Simplify right side
    203,726.54x = 33,421,803,673.33
  5. Step 5: Solve for x
    x = 33,421,803,673.33/203,726.54
  6. Step 6: Final answer
    x = 164,052.28

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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.