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Finding the Fourth Proportional to 171,777.60, 257,546.40 and 101,620.80

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Solution

The fourth proportional to 171,777.60, 257,546.40 and 101,620.80 is: 152,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,777.60 : 257,546.40 = 101,620.80 : x
  2. Step 2: Convert to fraction form
    171,777.60/257,546.40 = 101,620.80/x
  3. Step 3: Cross multiply
    171,777.60x = 257,546.40 × 101,620.80
  4. Step 4: Simplify right side
    171,777.60x = 26,172,071,205.12
  5. Step 5: Solve for x
    x = 26,172,071,205.12/171,777.60
  6. Step 6: Final answer
    x = 152,360.21

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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.