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Finding the Fourth Proportional to 82,416.49, 113,735.48 and 44,690.74

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Solution

The fourth proportional to 82,416.49, 113,735.48 and 44,690.74 is: 61,673.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,416.49 : 113,735.48 = 44,690.74 : x
  2. Step 2: Convert to fraction form
    82,416.49/113,735.48 = 44,690.74/x
  3. Step 3: Cross multiply
    82,416.49x = 113,735.48 × 44,690.74
  4. Step 4: Simplify right side
    82,416.49x = 5,082,922,257.66
  5. Step 5: Solve for x
    x = 5,082,922,257.66/82,416.49
  6. Step 6: Final answer
    x = 61,673.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.