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Finding the Fourth Proportional to 70,801.08, 106,113.90 and 35,750.76

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Solution

The fourth proportional to 70,801.08, 106,113.90 and 35,750.76 is: 53,581.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,801.08 : 106,113.90 = 35,750.76 : x
  2. Step 2: Convert to fraction form
    70,801.08/106,113.90 = 35,750.76/x
  3. Step 3: Cross multiply
    70,801.08x = 106,113.90 × 35,750.76
  4. Step 4: Simplify right side
    70,801.08x = 3,793,652,571.56
  5. Step 5: Solve for x
    x = 3,793,652,571.56/70,801.08
  6. Step 6: Final answer
    x = 53,581.85

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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.