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Finding the Fourth Proportional to 277,066.41, 415,599.68 and 66,704.37

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Solution

The fourth proportional to 277,066.41, 415,599.68 and 66,704.37 is: 100,056.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,066.41 : 415,599.68 = 66,704.37 : x
  2. Step 2: Convert to fraction form
    277,066.41/415,599.68 = 66,704.37/x
  3. Step 3: Cross multiply
    277,066.41x = 415,599.68 × 66,704.37
  4. Step 4: Simplify right side
    277,066.41x = 27,722,312,415.08
  5. Step 5: Solve for x
    x = 27,722,312,415.08/277,066.41
  6. Step 6: Final answer
    x = 100,056.56

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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.