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Finding the Fourth Proportional to 103,476.05, 155,232.30 and 36,954.80

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Solution

The fourth proportional to 103,476.05, 155,232.30 and 36,954.80 is: 55,438.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,476.05 : 155,232.30 = 36,954.80 : x
  2. Step 2: Convert to fraction form
    103,476.05/155,232.30 = 36,954.80/x
  3. Step 3: Cross multiply
    103,476.05x = 155,232.30 × 36,954.80
  4. Step 4: Simplify right side
    103,476.05x = 5,736,578,600.04
  5. Step 5: Solve for x
    x = 5,736,578,600.04/103,476.05
  6. Step 6: Final answer
    x = 55,438.71

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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.