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Finding the Fourth Proportional to 85,194.88, 117,569.72 and 46,955.79

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Solution

The fourth proportional to 85,194.88, 117,569.72 and 46,955.79 is: 64,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,194.88 : 117,569.72 = 46,955.79 : x
  2. Step 2: Convert to fraction form
    85,194.88/117,569.72 = 46,955.79/x
  3. Step 3: Cross multiply
    85,194.88x = 117,569.72 × 46,955.79
  4. Step 4: Simplify right side
    85,194.88x = 5,520,579,082.68
  5. Step 5: Solve for x
    x = 5,520,579,082.68/85,194.88
  6. Step 6: Final answer
    x = 64,799.42

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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.