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Finding the Fourth Proportional to 70,940.31, 106,410.47 and 24,193.59

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Solution

The fourth proportional to 70,940.31, 106,410.47 and 24,193.59 is: 36,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,940.31 : 106,410.47 = 24,193.59 : x
  2. Step 2: Convert to fraction form
    70,940.31/106,410.47 = 24,193.59/x
  3. Step 3: Cross multiply
    70,940.31x = 106,410.47 × 24,193.59
  4. Step 4: Simplify right side
    70,940.31x = 2,574,451,161.92
  5. Step 5: Solve for x
    x = 2,574,451,161.92/70,940.31
  6. Step 6: Final answer
    x = 36,290.39

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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.