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Finding the Fourth Proportional to 161,315.96, 241,500.78 and 113,117.46

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Solution

The fourth proportional to 161,315.96, 241,500.78 and 113,117.46 is: 169,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,315.96 : 241,500.78 = 113,117.46 : x
  2. Step 2: Convert to fraction form
    161,315.96/241,500.78 = 113,117.46/x
  3. Step 3: Cross multiply
    161,315.96x = 241,500.78 × 113,117.46
  4. Step 4: Simplify right side
    161,315.96x = 27,317,954,821.62
  5. Step 5: Solve for x
    x = 27,317,954,821.62/161,315.96
  6. Step 6: Final answer
    x = 169,344.40

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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.