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Finding the Fourth Proportional to 268,608.40, 403,058.40 and 110,852.80

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Solution

The fourth proportional to 268,608.40, 403,058.40 and 110,852.80 is: 166,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,608.40 : 403,058.40 = 110,852.80 : x
  2. Step 2: Convert to fraction form
    268,608.40/403,058.40 = 110,852.80/x
  3. Step 3: Cross multiply
    268,608.40x = 403,058.40 × 110,852.80
  4. Step 4: Simplify right side
    268,608.40x = 44,680,152,203.52
  5. Step 5: Solve for x
    x = 44,680,152,203.52/268,608.40
  6. Step 6: Final answer
    x = 166,339.37

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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.