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Finding the Fourth Proportional to 178,026.60, 267,039.90 and 171,805.80

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Solution

The fourth proportional to 178,026.60, 267,039.90 and 171,805.80 is: 257,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,026.60 : 267,039.90 = 171,805.80 : x
  2. Step 2: Convert to fraction form
    178,026.60/267,039.90 = 171,805.80/x
  3. Step 3: Cross multiply
    178,026.60x = 267,039.90 × 171,805.80
  4. Step 4: Simplify right side
    178,026.60x = 45,879,003,651.42
  5. Step 5: Solve for x
    x = 45,879,003,651.42/178,026.60
  6. Step 6: Final answer
    x = 257,708.70

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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.