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Finding the Fourth Proportional to 107,572.73, 161,362.51 and 32,693.54

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Solution

The fourth proportional to 107,572.73, 161,362.51 and 32,693.54 is: 49,041.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,572.73 : 161,362.51 = 32,693.54 : x
  2. Step 2: Convert to fraction form
    107,572.73/161,362.51 = 32,693.54/x
  3. Step 3: Cross multiply
    107,572.73x = 161,362.51 × 32,693.54
  4. Step 4: Simplify right side
    107,572.73x = 5,275,510,786.64
  5. Step 5: Solve for x
    x = 5,275,510,786.64/107,572.73
  6. Step 6: Final answer
    x = 49,041.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.