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Finding the Fourth Proportional to 70,506.72, 105,757.02 and 23,759.40

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Solution

The fourth proportional to 70,506.72, 105,757.02 and 23,759.40 is: 35,638.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,506.72 : 105,757.02 = 23,759.40 : x
  2. Step 2: Convert to fraction form
    70,506.72/105,757.02 = 23,759.40/x
  3. Step 3: Cross multiply
    70,506.72x = 105,757.02 × 23,759.40
  4. Step 4: Simplify right side
    70,506.72x = 2,512,723,340.99
  5. Step 5: Solve for x
    x = 2,512,723,340.99/70,506.72
  6. Step 6: Final answer
    x = 35,638.07

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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.