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Finding the Fourth Proportional to 171,776.64, 257,427.36 and 124,010.88

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Solution

The fourth proportional to 171,776.64, 257,427.36 and 124,010.88 is: 185,844.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,776.64 : 257,427.36 = 124,010.88 : x
  2. Step 2: Convert to fraction form
    171,776.64/257,427.36 = 124,010.88/x
  3. Step 3: Cross multiply
    171,776.64x = 257,427.36 × 124,010.88
  4. Step 4: Simplify right side
    171,776.64x = 31,923,793,449.68
  5. Step 5: Solve for x
    x = 31,923,793,449.68/171,776.64
  6. Step 6: Final answer
    x = 185,844.79

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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.