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Finding the Fourth Proportional to 171,064.50, 256,607.30 and 65,883.57

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Solution

The fourth proportional to 171,064.50, 256,607.30 and 65,883.57 is: 98,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,064.50 : 256,607.30 = 65,883.57 : x
  2. Step 2: Convert to fraction form
    171,064.50/256,607.30 = 65,883.57/x
  3. Step 3: Cross multiply
    171,064.50x = 256,607.30 × 65,883.57
  4. Step 4: Simplify right side
    171,064.50x = 16,906,205,012.06
  5. Step 5: Solve for x
    x = 16,906,205,012.06/171,064.50
  6. Step 6: Final answer
    x = 98,829.42

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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.