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Finding the Fourth Proportional to 171,028.40, 256,518.30 and 58,713.80

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Solution

The fourth proportional to 171,028.40, 256,518.30 and 58,713.80 is: 88,062.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,028.40 : 256,518.30 = 58,713.80 : x
  2. Step 2: Convert to fraction form
    171,028.40/256,518.30 = 58,713.80/x
  3. Step 3: Cross multiply
    171,028.40x = 256,518.30 × 58,713.80
  4. Step 4: Simplify right side
    171,028.40x = 15,061,164,162.54
  5. Step 5: Solve for x
    x = 15,061,164,162.54/171,028.40
  6. Step 6: Final answer
    x = 88,062.36

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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.