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Finding the Fourth Proportional to 70,213.94, 105,299.02 and 23,455.88

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Solution

The fourth proportional to 70,213.94, 105,299.02 and 23,455.88 is: 35,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,213.94 : 105,299.02 = 23,455.88 : x
  2. Step 2: Convert to fraction form
    70,213.94/105,299.02 = 23,455.88/x
  3. Step 3: Cross multiply
    70,213.94x = 105,299.02 × 23,455.88
  4. Step 4: Simplify right side
    70,213.94x = 2,469,881,177.24
  5. Step 5: Solve for x
    x = 2,469,881,177.24/70,213.94
  6. Step 6: Final answer
    x = 35,176.51

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1.5x scale

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.