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Finding the Fourth Proportional to 171,885.60, 258,022.80 and 132,616.80

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Solution

The fourth proportional to 171,885.60, 258,022.80 and 132,616.80 is: 199,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,885.60 : 258,022.80 = 132,616.80 : x
  2. Step 2: Convert to fraction form
    171,885.60/258,022.80 = 132,616.80/x
  3. Step 3: Cross multiply
    171,885.60x = 258,022.80 × 132,616.80
  4. Step 4: Simplify right side
    171,885.60x = 34,218,158,063.04
  5. Step 5: Solve for x
    x = 34,218,158,063.04/171,885.60
  6. Step 6: Final answer
    x = 199,075.19

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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.