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Finding the Fourth Proportional to 103,425.68, 155,152.44 and 33,288.08

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Solution

The fourth proportional to 103,425.68, 155,152.44 and 33,288.08 is: 49,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,425.68 : 155,152.44 = 33,288.08 : x
  2. Step 2: Convert to fraction form
    103,425.68/155,152.44 = 33,288.08/x
  3. Step 3: Cross multiply
    103,425.68x = 155,152.44 × 33,288.08
  4. Step 4: Simplify right side
    103,425.68x = 5,164,726,834.92
  5. Step 5: Solve for x
    x = 5,164,726,834.92/103,425.68
  6. Step 6: Final answer
    x = 49,936.60

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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.