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Finding the Fourth Proportional to 132,962.94, 199,481.94 and 54,133.74

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Solution

The fourth proportional to 132,962.94, 199,481.94 and 54,133.74 is: 81,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,962.94 : 199,481.94 = 54,133.74 : x
  2. Step 2: Convert to fraction form
    132,962.94/199,481.94 = 54,133.74/x
  3. Step 3: Cross multiply
    132,962.94x = 199,481.94 × 54,133.74
  4. Step 4: Simplify right side
    132,962.94x = 10,798,703,474.66
  5. Step 5: Solve for x
    x = 10,798,703,474.66/132,962.94
  6. Step 6: Final answer
    x = 81,215.89

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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.