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Finding the Fourth Proportional to 70,949.70, 106,493.79 and 58,595.58

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Solution

The fourth proportional to 70,949.70, 106,493.79 and 58,595.58 is: 87,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,949.70 : 106,493.79 = 58,595.58 : x
  2. Step 2: Convert to fraction form
    70,949.70/106,493.79 = 58,595.58/x
  3. Step 3: Cross multiply
    70,949.70x = 106,493.79 × 58,595.58
  4. Step 4: Simplify right side
    70,949.70x = 6,240,065,391.45
  5. Step 5: Solve for x
    x = 6,240,065,391.45/70,949.70
  6. Step 6: Final answer
    x = 87,950.55

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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.