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Finding the Fourth Proportional to 84,716.28, 116,905.48 and 46,994.04

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Solution

The fourth proportional to 84,716.28, 116,905.48 and 46,994.04 is: 64,850.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,716.28 : 116,905.48 = 46,994.04 : x
  2. Step 2: Convert to fraction form
    84,716.28/116,905.48 = 46,994.04/x
  3. Step 3: Cross multiply
    84,716.28x = 116,905.48 × 46,994.04
  4. Step 4: Simplify right side
    84,716.28x = 5,493,860,803.34
  5. Step 5: Solve for x
    x = 5,493,860,803.34/84,716.28
  6. Step 6: Final answer
    x = 64,850.12

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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.