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Finding the Fourth Proportional to 192,376.32, 265,491.54 and 107,493.54

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Solution

The fourth proportional to 192,376.32, 265,491.54 and 107,493.54 is: 148,347.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,376.32 : 265,491.54 = 107,493.54 : x
  2. Step 2: Convert to fraction form
    192,376.32/265,491.54 = 107,493.54/x
  3. Step 3: Cross multiply
    192,376.32x = 265,491.54 × 107,493.54
  4. Step 4: Simplify right side
    192,376.32x = 28,538,625,474.65
  5. Step 5: Solve for x
    x = 28,538,625,474.65/192,376.32
  6. Step 6: Final answer
    x = 148,347.91

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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.