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Finding the Fourth Proportional to 132,596.89, 182,983.71 and 72,167.97

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Solution

The fourth proportional to 132,596.89, 182,983.71 and 72,167.97 is: 99,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,596.89 : 182,983.71 = 72,167.97 : x
  2. Step 2: Convert to fraction form
    132,596.89/182,983.71 = 72,167.97/x
  3. Step 3: Cross multiply
    132,596.89x = 182,983.71 × 72,167.97
  4. Step 4: Simplify right side
    132,596.89x = 13,205,563,122.99
  5. Step 5: Solve for x
    x = 13,205,563,122.99/132,596.89
  6. Step 6: Final answer
    x = 99,591.80

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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.