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Finding the Fourth Proportional to 68,752.35, 103,286.41 and 48,535.59

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Solution

The fourth proportional to 68,752.35, 103,286.41 and 48,535.59 is: 72,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,752.35 : 103,286.41 = 48,535.59 : x
  2. Step 2: Convert to fraction form
    68,752.35/103,286.41 = 48,535.59/x
  3. Step 3: Cross multiply
    68,752.35x = 103,286.41 × 48,535.59
  4. Step 4: Simplify right side
    68,752.35x = 5,013,066,848.33
  5. Step 5: Solve for x
    x = 5,013,066,848.33/68,752.35
  6. Step 6: Final answer
    x = 72,914.84

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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.