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Finding the Fourth Proportional to 171,008.40, 256,512.60 and 168,675.60

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Solution

The fourth proportional to 171,008.40, 256,512.60 and 168,675.60 is: 253,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,008.40 : 256,512.60 = 168,675.60 : x
  2. Step 2: Convert to fraction form
    171,008.40/256,512.60 = 168,675.60/x
  3. Step 3: Cross multiply
    171,008.40x = 256,512.60 × 168,675.60
  4. Step 4: Simplify right side
    171,008.40x = 43,267,416,712.56
  5. Step 5: Solve for x
    x = 43,267,416,712.56/171,008.40
  6. Step 6: Final answer
    x = 253,013.40

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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.