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Finding the Fourth Proportional to 118,684, 163,802.24 and 67,696.84

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Solution

The fourth proportional to 118,684, 163,802.24 and 67,696.84 is: 93,432.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,684 : 163,802.24 = 67,696.84 : x
  2. Step 2: Convert to fraction form
    118,684/163,802.24 = 67,696.84/x
  3. Step 3: Cross multiply
    118,684x = 163,802.24 × 67,696.84
  4. Step 4: Simplify right side
    118,684x = 11,088,894,032.92
  5. Step 5: Solve for x
    x = 11,088,894,032.92/118,684
  6. Step 6: Final answer
    x = 93,432.09

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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.