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Finding the Fourth Proportional to 84,671.73, 127,011.11 and 34,716.60

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Solution

The fourth proportional to 84,671.73, 127,011.11 and 34,716.60 is: 52,076.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,671.73 : 127,011.11 = 34,716.60 : x
  2. Step 2: Convert to fraction form
    84,671.73/127,011.11 = 34,716.60/x
  3. Step 3: Cross multiply
    84,671.73x = 127,011.11 × 34,716.60
  4. Step 4: Simplify right side
    84,671.73x = 4,409,393,727.84
  5. Step 5: Solve for x
    x = 4,409,393,727.84/84,671.73
  6. Step 6: Final answer
    x = 52,076.34

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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.