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Finding the Fourth Proportional to 171,920.42, 257,879.46 and 93,532.86

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Solution

The fourth proportional to 171,920.42, 257,879.46 and 93,532.86 is: 140,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,920.42 : 257,879.46 = 93,532.86 : x
  2. Step 2: Convert to fraction form
    171,920.42/257,879.46 = 93,532.86/x
  3. Step 3: Cross multiply
    171,920.42x = 257,879.46 × 93,532.86
  4. Step 4: Simplify right side
    171,920.42x = 24,120,203,429.06
  5. Step 5: Solve for x
    x = 24,120,203,429.06/171,920.42
  6. Step 6: Final answer
    x = 140,298.66

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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.