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Finding the Fourth Proportional to 171,869.52, 257,804.28 and 53,550.42

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Solution

The fourth proportional to 171,869.52, 257,804.28 and 53,550.42 is: 80,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,869.52 : 257,804.28 = 53,550.42 : x
  2. Step 2: Convert to fraction form
    171,869.52/257,804.28 = 53,550.42/x
  3. Step 3: Cross multiply
    171,869.52x = 257,804.28 × 53,550.42
  4. Step 4: Simplify right side
    171,869.52x = 13,805,527,471.80
  5. Step 5: Solve for x
    x = 13,805,527,471.80/171,869.52
  6. Step 6: Final answer
    x = 80,325.63

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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.