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Finding the Fourth Proportional to 160,193.60, 240,326.90 and 85,274.27

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Solution

The fourth proportional to 160,193.60, 240,326.90 and 85,274.27 is: 127,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,193.60 : 240,326.90 = 85,274.27 : x
  2. Step 2: Convert to fraction form
    160,193.60/240,326.90 = 85,274.27/x
  3. Step 3: Cross multiply
    160,193.60x = 240,326.90 × 85,274.27
  4. Step 4: Simplify right side
    160,193.60x = 20,493,700,551.86
  5. Step 5: Solve for x
    x = 20,493,700,551.86/160,193.60
  6. Step 6: Final answer
    x = 127,930.83

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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.