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Finding the Fourth Proportional to 85,194.93, 117,569.79 and 46,955.87

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Solution

The fourth proportional to 85,194.93, 117,569.79 and 46,955.87 is: 64,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,194.93 : 117,569.79 = 46,955.87 : x
  2. Step 2: Convert to fraction form
    85,194.93/117,569.79 = 46,955.87/x
  3. Step 3: Cross multiply
    85,194.93x = 117,569.79 × 46,955.87
  4. Step 4: Simplify right side
    85,194.93x = 5,520,591,187.32
  5. Step 5: Solve for x
    x = 5,520,591,187.32/85,194.93
  6. Step 6: Final answer
    x = 64,799.53

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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.