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Finding the Fourth Proportional to 351,472.94, 527,100.38 and 126,804.17

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Solution

The fourth proportional to 351,472.94, 527,100.38 and 126,804.17 is: 190,166.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,472.94 : 527,100.38 = 126,804.17 : x
  2. Step 2: Convert to fraction form
    351,472.94/527,100.38 = 126,804.17/x
  3. Step 3: Cross multiply
    351,472.94x = 527,100.38 × 126,804.17
  4. Step 4: Simplify right side
    351,472.94x = 66,838,522,923.06
  5. Step 5: Solve for x
    x = 66,838,522,923.06/351,472.94
  6. Step 6: Final answer
    x = 190,166.91

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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.