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Finding the Fourth Proportional to 107,956.86, 161,958.33 and 37,840.38

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Solution

The fourth proportional to 107,956.86, 161,958.33 and 37,840.38 is: 56,768.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,956.86 : 161,958.33 = 37,840.38 : x
  2. Step 2: Convert to fraction form
    107,956.86/161,958.33 = 37,840.38/x
  3. Step 3: Cross multiply
    107,956.86x = 161,958.33 × 37,840.38
  4. Step 4: Simplify right side
    107,956.86x = 6,128,564,751.37
  5. Step 5: Solve for x
    x = 6,128,564,751.37/107,956.86
  6. Step 6: Final answer
    x = 56,768.65

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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.