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Finding the Fourth Proportional to 163,446.72, 244,713.31 and 88,297.64

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Solution

The fourth proportional to 163,446.72, 244,713.31 and 88,297.64 is: 132,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,446.72 : 244,713.31 = 88,297.64 : x
  2. Step 2: Convert to fraction form
    163,446.72/244,713.31 = 88,297.64/x
  3. Step 3: Cross multiply
    163,446.72x = 244,713.31 × 88,297.64
  4. Step 4: Simplify right side
    163,446.72x = 21,607,607,749.59
  5. Step 5: Solve for x
    x = 21,607,607,749.59/163,446.72
  6. Step 6: Final answer
    x = 132,199.70

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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.