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Finding the Fourth Proportional to 171,138.40, 256,683.30 and 58,823.80

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Solution

The fourth proportional to 171,138.40, 256,683.30 and 58,823.80 is: 88,227.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,138.40 : 256,683.30 = 58,823.80 : x
  2. Step 2: Convert to fraction form
    171,138.40/256,683.30 = 58,823.80/x
  3. Step 3: Cross multiply
    171,138.40x = 256,683.30 × 58,823.80
  4. Step 4: Simplify right side
    171,138.40x = 15,099,087,102.54
  5. Step 5: Solve for x
    x = 15,099,087,102.54/171,138.40
  6. Step 6: Final answer
    x = 88,227.35

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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.