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Finding the Fourth Proportional to 268,588.44, 402,928.56 and 110,730.60

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Solution

The fourth proportional to 268,588.44, 402,928.56 and 110,730.60 is: 166,114.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,588.44 : 402,928.56 = 110,730.60 : x
  2. Step 2: Convert to fraction form
    268,588.44/402,928.56 = 110,730.60/x
  3. Step 3: Cross multiply
    268,588.44x = 402,928.56 × 110,730.60
  4. Step 4: Simplify right side
    268,588.44x = 44,616,521,205.94
  5. Step 5: Solve for x
    x = 44,616,521,205.94/268,588.44
  6. Step 6: Final answer
    x = 166,114.82

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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.