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Finding the Fourth Proportional to 163,296.56, 244,956.72 and 68,431.52

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Solution

The fourth proportional to 163,296.56, 244,956.72 and 68,431.52 is: 102,652.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,296.56 : 244,956.72 = 68,431.52 : x
  2. Step 2: Convert to fraction form
    163,296.56/244,956.72 = 68,431.52/x
  3. Step 3: Cross multiply
    163,296.56x = 244,956.72 × 68,431.52
  4. Step 4: Simplify right side
    163,296.56x = 16,762,760,683.81
  5. Step 5: Solve for x
    x = 16,762,760,683.81/163,296.56
  6. Step 6: Final answer
    x = 102,652.26

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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.