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Finding the Fourth Proportional to 70,018.92, 104,994.27 and 23,256

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Solution

The fourth proportional to 70,018.92, 104,994.27 and 23,256 is: 34,872.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,018.92 : 104,994.27 = 23,256 : x
  2. Step 2: Convert to fraction form
    70,018.92/104,994.27 = 23,256/x
  3. Step 3: Cross multiply
    70,018.92x = 104,994.27 × 23,256
  4. Step 4: Simplify right side
    70,018.92x = 2,441,746,743.12
  5. Step 5: Solve for x
    x = 2,441,746,743.12/70,018.92
  6. Step 6: Final answer
    x = 34,872.67

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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.