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Finding the Fourth Proportional to 70,626.74, 105,939.88 and 44,349.94

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Solution

The fourth proportional to 70,626.74, 105,939.88 and 44,349.94 is: 66,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,626.74 : 105,939.88 = 44,349.94 : x
  2. Step 2: Convert to fraction form
    70,626.74/105,939.88 = 44,349.94/x
  3. Step 3: Cross multiply
    70,626.74x = 105,939.88 × 44,349.94
  4. Step 4: Simplify right side
    70,626.74x = 4,698,426,945.88
  5. Step 5: Solve for x
    x = 4,698,426,945.88/70,626.74
  6. Step 6: Final answer
    x = 66,524.76

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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.