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Finding the Fourth Proportional to 171,797.06, 257,776.86 and 83,000.72

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Solution

The fourth proportional to 171,797.06, 257,776.86 and 83,000.72 is: 124,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,797.06 : 257,776.86 = 83,000.72 : x
  2. Step 2: Convert to fraction form
    171,797.06/257,776.86 = 83,000.72/x
  3. Step 3: Cross multiply
    171,797.06x = 257,776.86 × 83,000.72
  4. Step 4: Simplify right side
    171,797.06x = 21,395,664,979.34
  5. Step 5: Solve for x
    x = 21,395,664,979.34/171,797.06
  6. Step 6: Final answer
    x = 124,540.34

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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.