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Finding the Fourth Proportional to 84,754.37, 116,967.49 and 47,028.62

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Solution

The fourth proportional to 84,754.37, 116,967.49 and 47,028.62 is: 64,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,754.37 : 116,967.49 = 47,028.62 : x
  2. Step 2: Convert to fraction form
    84,754.37/116,967.49 = 47,028.62/x
  3. Step 3: Cross multiply
    84,754.37x = 116,967.49 × 47,028.62
  4. Step 4: Simplify right side
    84,754.37x = 5,500,819,054.73
  5. Step 5: Solve for x
    x = 5,500,819,054.73/84,754.37
  6. Step 6: Final answer
    x = 64,903.08

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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.