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Finding the Fourth Proportional to 227,636.80, 314,136.32 and 125,663.04

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Solution

The fourth proportional to 227,636.80, 314,136.32 and 125,663.04 is: 173,413.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,636.80 : 314,136.32 = 125,663.04 : x
  2. Step 2: Convert to fraction form
    227,636.80/314,136.32 = 125,663.04/x
  3. Step 3: Cross multiply
    227,636.80x = 314,136.32 × 125,663.04
  4. Step 4: Simplify right side
    227,636.80x = 39,475,324,945.61
  5. Step 5: Solve for x
    x = 39,475,324,945.61/227,636.80
  6. Step 6: Final answer
    x = 173,413.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.