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Finding the Fourth Proportional to 70,113.56, 105,170.90 and 23,366.48

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Solution

The fourth proportional to 70,113.56, 105,170.90 and 23,366.48 is: 35,049.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,113.56 : 105,170.90 = 23,366.48 : x
  2. Step 2: Convert to fraction form
    70,113.56/105,170.90 = 23,366.48/x
  3. Step 3: Cross multiply
    70,113.56x = 105,170.90 × 23,366.48
  4. Step 4: Simplify right side
    70,113.56x = 2,457,473,731.43
  5. Step 5: Solve for x
    x = 2,457,473,731.43/70,113.56
  6. Step 6: Final answer
    x = 35,049.91

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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.