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Finding the Fourth Proportional to 229,413.72, 344,108.43 and 71,624.10

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Solution

The fourth proportional to 229,413.72, 344,108.43 and 71,624.10 is: 107,432.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,413.72 : 344,108.43 = 71,624.10 : x
  2. Step 2: Convert to fraction form
    229,413.72/344,108.43 = 71,624.10/x
  3. Step 3: Cross multiply
    229,413.72x = 344,108.43 × 71,624.10
  4. Step 4: Simplify right side
    229,413.72x = 24,646,456,601.16
  5. Step 5: Solve for x
    x = 24,646,456,601.16/229,413.72
  6. Step 6: Final answer
    x = 107,432.36

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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.