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Finding the Fourth Proportional to 93,696.96, 129,301.64 and 51,255.52

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Solution

The fourth proportional to 93,696.96, 129,301.64 and 51,255.52 is: 70,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,696.96 : 129,301.64 = 51,255.52 : x
  2. Step 2: Convert to fraction form
    93,696.96/129,301.64 = 51,255.52/x
  3. Step 3: Cross multiply
    93,696.96x = 129,301.64 × 51,255.52
  4. Step 4: Simplify right side
    93,696.96x = 6,627,422,795.05
  5. Step 5: Solve for x
    x = 6,627,422,795.05/93,696.96
  6. Step 6: Final answer
    x = 70,732.53

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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.