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Finding the Fourth Proportional to 67,838.94, 93,696.66 and 54,274.02

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Solution

The fourth proportional to 67,838.94, 93,696.66 and 54,274.02 is: 74,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,838.94 : 93,696.66 = 54,274.02 : x
  2. Step 2: Convert to fraction form
    67,838.94/93,696.66 = 54,274.02/x
  3. Step 3: Cross multiply
    67,838.94x = 93,696.66 × 54,274.02
  4. Step 4: Simplify right side
    67,838.94x = 5,085,294,398.77
  5. Step 5: Solve for x
    x = 5,085,294,398.77/67,838.94
  6. Step 6: Final answer
    x = 74,961.29

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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.