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Finding the Fourth Proportional to 84,958.13, 117,245.17 and 46,719.25

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Solution

The fourth proportional to 84,958.13, 117,245.17 and 46,719.25 is: 64,474.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,958.13 : 117,245.17 = 46,719.25 : x
  2. Step 2: Convert to fraction form
    84,958.13/117,245.17 = 46,719.25/x
  3. Step 3: Cross multiply
    84,958.13x = 117,245.17 × 46,719.25
  4. Step 4: Simplify right side
    84,958.13x = 5,477,606,173.81
  5. Step 5: Solve for x
    x = 5,477,606,173.81/84,958.13
  6. Step 6: Final answer
    x = 64,474.18

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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.