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Finding the Fourth Proportional to 73,386.78, 101,273.67 and 39,852.54

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Solution

The fourth proportional to 73,386.78, 101,273.67 and 39,852.54 is: 54,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,386.78 : 101,273.67 = 39,852.54 : x
  2. Step 2: Convert to fraction form
    73,386.78/101,273.67 = 39,852.54/x
  3. Step 3: Cross multiply
    73,386.78x = 101,273.67 × 39,852.54
  4. Step 4: Simplify right side
    73,386.78x = 4,036,012,984.62
  5. Step 5: Solve for x
    x = 4,036,012,984.62/73,386.78
  6. Step 6: Final answer
    x = 54,996.46

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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.