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Finding the Fourth Proportional to 103,472.40, 155,179.44 and 44,372.37

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Solution

The fourth proportional to 103,472.40, 155,179.44 and 44,372.37 is: 66,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,472.40 : 155,179.44 = 44,372.37 : x
  2. Step 2: Convert to fraction form
    103,472.40/155,179.44 = 44,372.37/x
  3. Step 3: Cross multiply
    103,472.40x = 155,179.44 × 44,372.37
  4. Step 4: Simplify right side
    103,472.40x = 6,885,679,528.07
  5. Step 5: Solve for x
    x = 6,885,679,528.07/103,472.40
  6. Step 6: Final answer
    x = 66,546.05

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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.