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Finding the Fourth Proportional to 161,559.17, 242,373.72 and 49,236.42

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Solution

The fourth proportional to 161,559.17, 242,373.72 and 49,236.42 is: 73,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,559.17 : 242,373.72 = 49,236.42 : x
  2. Step 2: Convert to fraction form
    161,559.17/242,373.72 = 49,236.42/x
  3. Step 3: Cross multiply
    161,559.17x = 242,373.72 × 49,236.42
  4. Step 4: Simplify right side
    161,559.17x = 11,933,614,274.88
  5. Step 5: Solve for x
    x = 11,933,614,274.88/161,559.17
  6. Step 6: Final answer
    x = 73,865.29

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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.