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Finding the Fourth Proportional to 161,157.69, 241,736.54 and 61,294.82

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Solution

The fourth proportional to 161,157.69, 241,736.54 and 61,294.82 is: 91,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,157.69 : 241,736.54 = 61,294.82 : x
  2. Step 2: Convert to fraction form
    161,157.69/241,736.54 = 61,294.82/x
  3. Step 3: Cross multiply
    161,157.69x = 241,736.54 × 61,294.82
  4. Step 4: Simplify right side
    161,157.69x = 14,817,196,191.57
  5. Step 5: Solve for x
    x = 14,817,196,191.57/161,157.69
  6. Step 6: Final answer
    x = 91,942.22

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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.