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Finding the Fourth Proportional to 70,122.54, 105,096.42 and 35,072.22

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Solution

The fourth proportional to 70,122.54, 105,096.42 and 35,072.22 is: 52,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,122.54 : 105,096.42 = 35,072.22 : x
  2. Step 2: Convert to fraction form
    70,122.54/105,096.42 = 35,072.22/x
  3. Step 3: Cross multiply
    70,122.54x = 105,096.42 × 35,072.22
  4. Step 4: Simplify right side
    70,122.54x = 3,685,964,763.45
  5. Step 5: Solve for x
    x = 3,685,964,763.45/70,122.54
  6. Step 6: Final answer
    x = 52,564.62

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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.