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Finding the Fourth Proportional to 93,761.94, 129,391.62 and 51,323.16

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Solution

The fourth proportional to 93,761.94, 129,391.62 and 51,323.16 is: 70,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,761.94 : 129,391.62 = 51,323.16 : x
  2. Step 2: Convert to fraction form
    93,761.94/129,391.62 = 51,323.16/x
  3. Step 3: Cross multiply
    93,761.94x = 129,391.62 × 51,323.16
  4. Step 4: Simplify right side
    93,761.94x = 6,640,786,815.92
  5. Step 5: Solve for x
    x = 6,640,786,815.92/93,761.94
  6. Step 6: Final answer
    x = 70,826.04

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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.