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Finding the Fourth Proportional to 171,674.40, 257,425.20 and 101,575.20

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Solution

The fourth proportional to 171,674.40, 257,425.20 and 101,575.20 is: 152,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,674.40 : 257,425.20 = 101,575.20 : x
  2. Step 2: Convert to fraction form
    171,674.40/257,425.20 = 101,575.20/x
  3. Step 3: Cross multiply
    171,674.40x = 257,425.20 × 101,575.20
  4. Step 4: Simplify right side
    171,674.40x = 26,148,016,175.04
  5. Step 5: Solve for x
    x = 26,148,016,175.04/171,674.40
  6. Step 6: Final answer
    x = 152,311.68

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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.