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Finding the Fourth Proportional to 84,940.59, 117,218.81 and 46,700.42

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Solution

The fourth proportional to 84,940.59, 117,218.81 and 46,700.42 is: 64,447.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,940.59 : 117,218.81 = 46,700.42 : x
  2. Step 2: Convert to fraction form
    84,940.59/117,218.81 = 46,700.42/x
  3. Step 3: Cross multiply
    84,940.59x = 117,218.81 × 46,700.42
  4. Step 4: Simplify right side
    84,940.59x = 5,474,166,839.30
  5. Step 5: Solve for x
    x = 5,474,166,839.30/84,940.59
  6. Step 6: Final answer
    x = 64,447.01

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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.