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Finding the Fourth Proportional to 96,382.09, 133,009.05 and 53,940.52

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Solution

The fourth proportional to 96,382.09, 133,009.05 and 53,940.52 is: 74,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,382.09 : 133,009.05 = 53,940.52 : x
  2. Step 2: Convert to fraction form
    96,382.09/133,009.05 = 53,940.52/x
  3. Step 3: Cross multiply
    96,382.09x = 133,009.05 × 53,940.52
  4. Step 4: Simplify right side
    96,382.09x = 7,174,577,321.71
  5. Step 5: Solve for x
    x = 7,174,577,321.71/96,382.09
  6. Step 6: Final answer
    x = 74,438.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.