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Finding the Fourth Proportional to 96,329.76, 132,940.08 and 53,889

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Solution

The fourth proportional to 96,329.76, 132,940.08 and 53,889 is: 74,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,329.76 : 132,940.08 = 53,889 : x
  2. Step 2: Convert to fraction form
    96,329.76/132,940.08 = 53,889/x
  3. Step 3: Cross multiply
    96,329.76x = 132,940.08 × 53,889
  4. Step 4: Simplify right side
    96,329.76x = 7,164,007,971.12
  5. Step 5: Solve for x
    x = 7,164,007,971.12/96,329.76
  6. Step 6: Final answer
    x = 74,369.62

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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.