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Finding the Fourth Proportional to 248,463.65, 372,415.92 and 106,237.57

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Solution

The fourth proportional to 248,463.65, 372,415.92 and 106,237.57 is: 159,236.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,463.65 : 372,415.92 = 106,237.57 : x
  2. Step 2: Convert to fraction form
    248,463.65/372,415.92 = 106,237.57/x
  3. Step 3: Cross multiply
    248,463.65x = 372,415.92 × 106,237.57
  4. Step 4: Simplify right side
    248,463.65x = 39,564,561,439.07
  5. Step 5: Solve for x
    x = 39,564,561,439.07/248,463.65
  6. Step 6: Final answer
    x = 159,236.82

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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.