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Finding the Fourth Proportional to 171,491.80, 257,496.90 and 132,093.40

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Solution

The fourth proportional to 171,491.80, 257,496.90 and 132,093.40 is: 198,339.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,491.80 : 257,496.90 = 132,093.40 : x
  2. Step 2: Convert to fraction form
    171,491.80/257,496.90 = 132,093.40/x
  3. Step 3: Cross multiply
    171,491.80x = 257,496.90 × 132,093.40
  4. Step 4: Simplify right side
    171,491.80x = 34,013,641,010.46
  5. Step 5: Solve for x
    x = 34,013,641,010.46/171,491.80
  6. Step 6: Final answer
    x = 198,339.75

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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.