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Finding the Fourth Proportional to 228,685.37, 342,844.88 and 108,682.08

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Solution

The fourth proportional to 228,685.37, 342,844.88 and 108,682.08 is: 162,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,685.37 : 342,844.88 = 108,682.08 : x
  2. Step 2: Convert to fraction form
    228,685.37/342,844.88 = 108,682.08/x
  3. Step 3: Cross multiply
    228,685.37x = 342,844.88 × 108,682.08
  4. Step 4: Simplify right side
    228,685.37x = 37,261,094,132.34
  5. Step 5: Solve for x
    x = 37,261,094,132.34/228,685.37
  6. Step 6: Final answer
    x = 162,936.07

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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.