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Finding the Fourth Proportional to 70,114.34, 105,213.67 and 25,132.21

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Solution

The fourth proportional to 70,114.34, 105,213.67 and 25,132.21 is: 37,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,114.34 : 105,213.67 = 25,132.21 : x
  2. Step 2: Convert to fraction form
    70,114.34/105,213.67 = 25,132.21/x
  3. Step 3: Cross multiply
    70,114.34x = 105,213.67 × 25,132.21
  4. Step 4: Simplify right side
    70,114.34x = 2,644,251,723.45
  5. Step 5: Solve for x
    x = 2,644,251,723.45/70,114.34
  6. Step 6: Final answer
    x = 37,713.42

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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.