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Finding the Fourth Proportional to 96,491.52, 133,160.64 and 54,059.20

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Solution

The fourth proportional to 96,491.52, 133,160.64 and 54,059.20 is: 74,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,491.52 : 133,160.64 = 54,059.20 : x
  2. Step 2: Convert to fraction form
    96,491.52/133,160.64 = 54,059.20/x
  3. Step 3: Cross multiply
    96,491.52x = 133,160.64 × 54,059.20
  4. Step 4: Simplify right side
    96,491.52x = 7,198,557,669.89
  5. Step 5: Solve for x
    x = 7,198,557,669.89/96,491.52
  6. Step 6: Final answer
    x = 74,603.01

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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.