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Finding the Fourth Proportional to 70,599.76, 105,899.73 and 49,633.57

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Solution

The fourth proportional to 70,599.76, 105,899.73 and 49,633.57 is: 74,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,599.76 : 105,899.73 = 49,633.57 : x
  2. Step 2: Convert to fraction form
    70,599.76/105,899.73 = 49,633.57/x
  3. Step 3: Cross multiply
    70,599.76x = 105,899.73 × 49,633.57
  4. Step 4: Simplify right side
    70,599.76x = 5,256,181,397.19
  5. Step 5: Solve for x
    x = 5,256,181,397.19/70,599.76
  6. Step 6: Final answer
    x = 74,450.42

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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.