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Finding the Fourth Proportional to 163,652.40, 245,369.25 and 132,101.28

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Solution

The fourth proportional to 163,652.40, 245,369.25 and 132,101.28 is: 198,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,652.40 : 245,369.25 = 132,101.28 : x
  2. Step 2: Convert to fraction form
    163,652.40/245,369.25 = 132,101.28/x
  3. Step 3: Cross multiply
    163,652.40x = 245,369.25 × 132,101.28
  4. Step 4: Simplify right side
    163,652.40x = 32,413,591,997.64
  5. Step 5: Solve for x
    x = 32,413,591,997.64/163,652.40
  6. Step 6: Final answer
    x = 198,063.65

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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.