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Finding the Fourth Proportional to 277,848.44, 416,772.65 and 128,044.41

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Solution

The fourth proportional to 277,848.44, 416,772.65 and 128,044.41 is: 192,066.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,848.44 : 416,772.65 = 128,044.41 : x
  2. Step 2: Convert to fraction form
    277,848.44/416,772.65 = 128,044.41/x
  3. Step 3: Cross multiply
    277,848.44x = 416,772.65 × 128,044.41
  4. Step 4: Simplify right side
    277,848.44x = 53,365,408,393.50
  5. Step 5: Solve for x
    x = 53,365,408,393.50/277,848.44
  6. Step 6: Final answer
    x = 192,066.61

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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.