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Finding the Fourth Proportional to 70,804.85, 106,222.90 and 23,434.70

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Solution

The fourth proportional to 70,804.85, 106,222.90 and 23,434.70 is: 35,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,804.85 : 106,222.90 = 23,434.70 : x
  2. Step 2: Convert to fraction form
    70,804.85/106,222.90 = 23,434.70/x
  3. Step 3: Cross multiply
    70,804.85x = 106,222.90 × 23,434.70
  4. Step 4: Simplify right side
    70,804.85x = 2,489,301,794.63
  5. Step 5: Solve for x
    x = 2,489,301,794.63/70,804.85
  6. Step 6: Final answer
    x = 35,157.22

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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.