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Finding the Fourth Proportional to 96,362.69, 132,980.67 and 53,921.25

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Solution

The fourth proportional to 96,362.69, 132,980.67 and 53,921.25 is: 74,411.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,362.69 : 132,980.67 = 53,921.25 : x
  2. Step 2: Convert to fraction form
    96,362.69/132,980.67 = 53,921.25/x
  3. Step 3: Cross multiply
    96,362.69x = 132,980.67 × 53,921.25
  4. Step 4: Simplify right side
    96,362.69x = 7,170,483,952.24
  5. Step 5: Solve for x
    x = 7,170,483,952.24/96,362.69
  6. Step 6: Final answer
    x = 74,411.42

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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.