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Finding the Fourth Proportional to 161,137.98, 241,788.87 and 72,373.38

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Solution

The fourth proportional to 161,137.98, 241,788.87 and 72,373.38 is: 108,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,137.98 : 241,788.87 = 72,373.38 : x
  2. Step 2: Convert to fraction form
    161,137.98/241,788.87 = 72,373.38/x
  3. Step 3: Cross multiply
    161,137.98x = 241,788.87 × 72,373.38
  4. Step 4: Simplify right side
    161,137.98x = 17,499,077,768.28
  5. Step 5: Solve for x
    x = 17,499,077,768.28/161,137.98
  6. Step 6: Final answer
    x = 108,596.85

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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.