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Finding the Fourth Proportional to 234,873, 324,124.74 and 134,271

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Solution

The fourth proportional to 234,873, 324,124.74 and 134,271 is: 185,293.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,873 : 324,124.74 = 134,271 : x
  2. Step 2: Convert to fraction form
    234,873/324,124.74 = 134,271/x
  3. Step 3: Cross multiply
    234,873x = 324,124.74 × 134,271
  4. Step 4: Simplify right side
    234,873x = 43,520,552,964.54
  5. Step 5: Solve for x
    x = 43,520,552,964.54/234,873
  6. Step 6: Final answer
    x = 185,293.98

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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.