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Finding the Fourth Proportional to 171,625.40, 257,438.10 and 101,583.80

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Solution

The fourth proportional to 171,625.40, 257,438.10 and 101,583.80 is: 152,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,625.40 : 257,438.10 = 101,583.80 : x
  2. Step 2: Convert to fraction form
    171,625.40/257,438.10 = 101,583.80/x
  3. Step 3: Cross multiply
    171,625.40x = 257,438.10 × 101,583.80
  4. Step 4: Simplify right side
    171,625.40x = 26,151,540,462.78
  5. Step 5: Solve for x
    x = 26,151,540,462.78/171,625.40
  6. Step 6: Final answer
    x = 152,375.70

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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.