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Finding the Fourth Proportional to 118,806.54, 163,957.55 and 67,827.57

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Solution

The fourth proportional to 118,806.54, 163,957.55 and 67,827.57 is: 93,604.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,806.54 : 163,957.55 = 67,827.57 : x
  2. Step 2: Convert to fraction form
    118,806.54/163,957.55 = 67,827.57/x
  3. Step 3: Cross multiply
    118,806.54x = 163,957.55 × 67,827.57
  4. Step 4: Simplify right side
    118,806.54x = 11,120,842,199.65
  5. Step 5: Solve for x
    x = 11,120,842,199.65/118,806.54
  6. Step 6: Final answer
    x = 93,604.63

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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.