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Finding the Fourth Proportional to 70,859.21, 106,303.81 and 23,471.62

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Solution

The fourth proportional to 70,859.21, 106,303.81 and 23,471.62 is: 35,212.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,859.21 : 106,303.81 = 23,471.62 : x
  2. Step 2: Convert to fraction form
    70,859.21/106,303.81 = 23,471.62/x
  3. Step 3: Cross multiply
    70,859.21x = 106,303.81 × 23,471.62
  4. Step 4: Simplify right side
    70,859.21x = 2,495,122,308.43
  5. Step 5: Solve for x
    x = 2,495,122,308.43/70,859.21
  6. Step 6: Final answer
    x = 35,212.39

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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.