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Finding the Fourth Proportional to 70,107.90, 105,049.53 and 36,826.62

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Solution

The fourth proportional to 70,107.90, 105,049.53 and 36,826.62 is: 55,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,107.90 : 105,049.53 = 36,826.62 : x
  2. Step 2: Convert to fraction form
    70,107.90/105,049.53 = 36,826.62/x
  3. Step 3: Cross multiply
    70,107.90x = 105,049.53 × 36,826.62
  4. Step 4: Simplify right side
    70,107.90x = 3,868,619,122.49
  5. Step 5: Solve for x
    x = 3,868,619,122.49/70,107.90
  6. Step 6: Final answer
    x = 55,180.93

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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.