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Finding the Fourth Proportional to 163,973.92, 246,034.16 and 79,687.84

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Solution

The fourth proportional to 163,973.92, 246,034.16 and 79,687.84 is: 119,567.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,973.92 : 246,034.16 = 79,687.84 : x
  2. Step 2: Convert to fraction form
    163,973.92/246,034.16 = 79,687.84/x
  3. Step 3: Cross multiply
    163,973.92x = 246,034.16 × 79,687.84
  4. Step 4: Simplify right side
    163,973.92x = 19,605,930,776.61
  5. Step 5: Solve for x
    x = 19,605,930,776.61/163,973.92
  6. Step 6: Final answer
    x = 119,567.37

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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.