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Finding the Fourth Proportional to 171,245.60, 256,775.04 and 52,894.88

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Solution

The fourth proportional to 171,245.60, 256,775.04 and 52,894.88 is: 79,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,245.60 : 256,775.04 = 52,894.88 : x
  2. Step 2: Convert to fraction form
    171,245.60/256,775.04 = 52,894.88/x
  3. Step 3: Cross multiply
    171,245.60x = 256,775.04 × 52,894.88
  4. Step 4: Simplify right side
    171,245.60x = 13,582,084,927.80
  5. Step 5: Solve for x
    x = 13,582,084,927.80/171,245.60
  6. Step 6: Final answer
    x = 79,313.48

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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.