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Finding the Fourth Proportional to 67,608, 101,390.43 and 23,224.05

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Solution

The fourth proportional to 67,608, 101,390.43 and 23,224.05 is: 34,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,608 : 101,390.43 = 23,224.05 : x
  2. Step 2: Convert to fraction form
    67,608/101,390.43 = 23,224.05/x
  3. Step 3: Cross multiply
    67,608x = 101,390.43 × 23,224.05
  4. Step 4: Simplify right side
    67,608x = 2,354,696,415.84
  5. Step 5: Solve for x
    x = 2,354,696,415.84/67,608
  6. Step 6: Final answer
    x = 34,828.67

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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.