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Finding the Fourth Proportional to 268,663.94, 370,847.27 and 166,749.05

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Solution

The fourth proportional to 268,663.94, 370,847.27 and 166,749.05 is: 230,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,663.94 : 370,847.27 = 166,749.05 : x
  2. Step 2: Convert to fraction form
    268,663.94/370,847.27 = 166,749.05/x
  3. Step 3: Cross multiply
    268,663.94x = 370,847.27 × 166,749.05
  4. Step 4: Simplify right side
    268,663.94x = 61,838,431,311.58
  5. Step 5: Solve for x
    x = 61,838,431,311.58/268,663.94
  6. Step 6: Final answer
    x = 230,170.20

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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.