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Finding the Fourth Proportional to 70,653.66, 97,477.94 and 43,786.37

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Solution

The fourth proportional to 70,653.66, 97,477.94 and 43,786.37 is: 60,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,653.66 : 97,477.94 = 43,786.37 : x
  2. Step 2: Convert to fraction form
    70,653.66/97,477.94 = 43,786.37/x
  3. Step 3: Cross multiply
    70,653.66x = 97,477.94 × 43,786.37
  4. Step 4: Simplify right side
    70,653.66x = 4,268,204,441.36
  5. Step 5: Solve for x
    x = 4,268,204,441.36/70,653.66
  6. Step 6: Final answer
    x = 60,410.24

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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.