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Finding the Fourth Proportional to 92,083.36, 127,039.05 and 51,787.88

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Solution

The fourth proportional to 92,083.36, 127,039.05 and 51,787.88 is: 71,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,083.36 : 127,039.05 = 51,787.88 : x
  2. Step 2: Convert to fraction form
    92,083.36/127,039.05 = 51,787.88/x
  3. Step 3: Cross multiply
    92,083.36x = 127,039.05 × 51,787.88
  4. Step 4: Simplify right side
    92,083.36x = 6,579,083,076.71
  5. Step 5: Solve for x
    x = 6,579,083,076.71/92,083.36
  6. Step 6: Final answer
    x = 71,447.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.