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Finding the Fourth Proportional to 277,041.94, 415,540.70 and 123,215.56

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Solution

The fourth proportional to 277,041.94, 415,540.70 and 123,215.56 is: 184,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,041.94 : 415,540.70 = 123,215.56 : x
  2. Step 2: Convert to fraction form
    277,041.94/415,540.70 = 123,215.56/x
  3. Step 3: Cross multiply
    277,041.94x = 415,540.70 × 123,215.56
  4. Step 4: Simplify right side
    277,041.94x = 51,201,080,053.29
  5. Step 5: Solve for x
    x = 51,201,080,053.29/277,041.94
  6. Step 6: Final answer
    x = 184,813.46

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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.