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Finding the Fourth Proportional to 227,640.67, 314,135.89 and 125,663.94

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Solution

The fourth proportional to 227,640.67, 314,135.89 and 125,663.94 is: 173,411.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,640.67 : 314,135.89 = 125,663.94 : x
  2. Step 2: Convert to fraction form
    227,640.67/314,135.89 = 125,663.94/x
  3. Step 3: Cross multiply
    227,640.67x = 314,135.89 × 125,663.94
  4. Step 4: Simplify right side
    227,640.67x = 39,475,553,632.81
  5. Step 5: Solve for x
    x = 39,475,553,632.81/227,640.67
  6. Step 6: Final answer
    x = 173,411.69

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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.