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Finding the Fourth Proportional to 84,993.92, 127,374.24 and 43,353.44

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Solution

The fourth proportional to 84,993.92, 127,374.24 and 43,353.44 is: 64,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,993.92 : 127,374.24 = 43,353.44 : x
  2. Step 2: Convert to fraction form
    84,993.92/127,374.24 = 43,353.44/x
  3. Step 3: Cross multiply
    84,993.92x = 127,374.24 × 43,353.44
  4. Step 4: Simplify right side
    84,993.92x = 5,522,111,471.39
  5. Step 5: Solve for x
    x = 5,522,111,471.39/84,993.92
  6. Step 6: Final answer
    x = 64,970.66

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1.5x scale

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.