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Finding the Fourth Proportional to 244,893.96, 367,315.02 and 78,669

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Solution

The fourth proportional to 244,893.96, 367,315.02 and 78,669 is: 117,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,893.96 : 367,315.02 = 78,669 : x
  2. Step 2: Convert to fraction form
    244,893.96/367,315.02 = 78,669/x
  3. Step 3: Cross multiply
    244,893.96x = 367,315.02 × 78,669
  4. Step 4: Simplify right side
    244,893.96x = 28,896,305,308.38
  5. Step 5: Solve for x
    x = 28,896,305,308.38/244,893.96
  6. Step 6: Final answer
    x = 117,995.17

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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.