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Finding the Fourth Proportional to 84,696.48, 116,881.92 and 46,969.92

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Solution

The fourth proportional to 84,696.48, 116,881.92 and 46,969.92 is: 64,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,696.48 : 116,881.92 = 46,969.92 : x
  2. Step 2: Convert to fraction form
    84,696.48/116,881.92 = 46,969.92/x
  3. Step 3: Cross multiply
    84,696.48x = 116,881.92 × 46,969.92
  4. Step 4: Simplify right side
    84,696.48x = 5,489,934,431.85
  5. Step 5: Solve for x
    x = 5,489,934,431.85/84,696.48
  6. Step 6: Final answer
    x = 64,818.92

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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.