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Finding the Fourth Proportional to 70,626.41, 105,917.10 and 23,230.67

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Solution

The fourth proportional to 70,626.41, 105,917.10 and 23,230.67 is: 34,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,626.41 : 105,917.10 = 23,230.67 : x
  2. Step 2: Convert to fraction form
    70,626.41/105,917.10 = 23,230.67/x
  3. Step 3: Cross multiply
    70,626.41x = 105,917.10 × 23,230.67
  4. Step 4: Simplify right side
    70,626.41x = 2,460,525,197.46
  5. Step 5: Solve for x
    x = 2,460,525,197.46/70,626.41
  6. Step 6: Final answer
    x = 34,838.60

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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.