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Finding the Fourth Proportional to 137,374.44, 189,576.73 and 83,659.46

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Solution

The fourth proportional to 137,374.44, 189,576.73 and 83,659.46 is: 115,450.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,374.44 : 189,576.73 = 83,659.46 : x
  2. Step 2: Convert to fraction form
    137,374.44/189,576.73 = 83,659.46/x
  3. Step 3: Cross multiply
    137,374.44x = 189,576.73 × 83,659.46
  4. Step 4: Simplify right side
    137,374.44x = 15,859,886,860.37
  5. Step 5: Solve for x
    x = 15,859,886,860.37/137,374.44
  6. Step 6: Final answer
    x = 115,450.06

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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.