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Finding the Fourth Proportional to 70,343.88, 105,524.16 and 44,050.80

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Solution

The fourth proportional to 70,343.88, 105,524.16 and 44,050.80 is: 66,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,343.88 : 105,524.16 = 44,050.80 : x
  2. Step 2: Convert to fraction form
    70,343.88/105,524.16 = 44,050.80/x
  3. Step 3: Cross multiply
    70,343.88x = 105,524.16 × 44,050.80
  4. Step 4: Simplify right side
    70,343.88x = 4,648,423,667.33
  5. Step 5: Solve for x
    x = 4,648,423,667.33/70,343.88
  6. Step 6: Final answer
    x = 66,081.42

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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.