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Finding the Fourth Proportional to 103,958.38, 155,956.81 and 32,898.88

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Solution

The fourth proportional to 103,958.38, 155,956.81 and 32,898.88 is: 49,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,958.38 : 155,956.81 = 32,898.88 : x
  2. Step 2: Convert to fraction form
    103,958.38/155,956.81 = 32,898.88/x
  3. Step 3: Cross multiply
    103,958.38x = 155,956.81 × 32,898.88
  4. Step 4: Simplify right side
    103,958.38x = 5,130,804,377.37
  5. Step 5: Solve for x
    x = 5,130,804,377.37/103,958.38
  6. Step 6: Final answer
    x = 49,354.41

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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.