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Finding the Fourth Proportional to 351,472.93, 527,100.37 and 126,804.16

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Solution

The fourth proportional to 351,472.93, 527,100.37 and 126,804.16 is: 190,166.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,472.93 : 527,100.37 = 126,804.16 : x
  2. Step 2: Convert to fraction form
    351,472.93/527,100.37 = 126,804.16/x
  3. Step 3: Cross multiply
    351,472.93x = 527,100.37 × 126,804.16
  4. Step 4: Simplify right side
    351,472.93x = 66,838,519,653.54
  5. Step 5: Solve for x
    x = 66,838,519,653.54/351,472.93
  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.