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Finding the Fourth Proportional to 161,294.91, 241,893.15 and 42,950.89

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Solution

The fourth proportional to 161,294.91, 241,893.15 and 42,950.89 is: 64,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,294.91 : 241,893.15 = 42,950.89 : x
  2. Step 2: Convert to fraction form
    161,294.91/241,893.15 = 42,950.89/x
  3. Step 3: Cross multiply
    161,294.91x = 241,893.15 × 42,950.89
  4. Step 4: Simplify right side
    161,294.91x = 10,389,526,077.40
  5. Step 5: Solve for x
    x = 10,389,526,077.40/161,294.91
  6. Step 6: Final answer
    x = 64,413.23

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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.