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Finding the Fourth Proportional to 161,327.81, 241,722.62 and 113,865.13

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Solution

The fourth proportional to 161,327.81, 241,722.62 and 113,865.13 is: 170,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,327.81 : 241,722.62 = 113,865.13 : x
  2. Step 2: Convert to fraction form
    161,327.81/241,722.62 = 113,865.13/x
  3. Step 3: Cross multiply
    161,327.81x = 241,722.62 × 113,865.13
  4. Step 4: Simplify right side
    161,327.81x = 27,523,777,210.02
  5. Step 5: Solve for x
    x = 27,523,777,210.02/161,327.81
  6. Step 6: Final answer
    x = 170,607.76

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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.