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Finding the Fourth Proportional to 76,099.14, 104,993.01 and 45,893.70

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Solution

The fourth proportional to 76,099.14, 104,993.01 and 45,893.70 is: 63,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,099.14 : 104,993.01 = 45,893.70 : x
  2. Step 2: Convert to fraction form
    76,099.14/104,993.01 = 45,893.70/x
  3. Step 3: Cross multiply
    76,099.14x = 104,993.01 × 45,893.70
  4. Step 4: Simplify right side
    76,099.14x = 4,818,517,703.04
  5. Step 5: Solve for x
    x = 4,818,517,703.04/76,099.14
  6. Step 6: Final answer
    x = 63,318.95

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1.5x scale

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.