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Finding the Fourth Proportional to 307,736.81, 461,807.04 and 108,052.05

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Solution

The fourth proportional to 307,736.81, 461,807.04 and 108,052.05 is: 162,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,736.81 : 461,807.04 = 108,052.05 : x
  2. Step 2: Convert to fraction form
    307,736.81/461,807.04 = 108,052.05/x
  3. Step 3: Cross multiply
    307,736.81x = 461,807.04 × 108,052.05
  4. Step 4: Simplify right side
    307,736.81x = 49,899,197,376.43
  5. Step 5: Solve for x
    x = 49,899,197,376.43/307,736.81
  6. Step 6: Final answer
    x = 162,148.94

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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.