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Finding the Fourth Proportional to 70,993.46, 97,927.56 and 45,491.24

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Solution

The fourth proportional to 70,993.46, 97,927.56 and 45,491.24 is: 62,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,993.46 : 97,927.56 = 45,491.24 : x
  2. Step 2: Convert to fraction form
    70,993.46/97,927.56 = 45,491.24/x
  3. Step 3: Cross multiply
    70,993.46x = 97,927.56 × 45,491.24
  4. Step 4: Simplify right side
    70,993.46x = 4,454,846,134.57
  5. Step 5: Solve for x
    x = 4,454,846,134.57/70,993.46
  6. Step 6: Final answer
    x = 62,750.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.