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Finding the Fourth Proportional to 110,898.40, 166,369.20 and 32,015.20

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Solution

The fourth proportional to 110,898.40, 166,369.20 and 32,015.20 is: 48,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,898.40 : 166,369.20 = 32,015.20 : x
  2. Step 2: Convert to fraction form
    110,898.40/166,369.20 = 32,015.20/x
  3. Step 3: Cross multiply
    110,898.40x = 166,369.20 × 32,015.20
  4. Step 4: Simplify right side
    110,898.40x = 5,326,343,211.84
  5. Step 5: Solve for x
    x = 5,326,343,211.84/110,898.40
  6. Step 6: Final answer
    x = 48,029.04

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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.