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Finding the Fourth Proportional to 172,951.05, 259,407.12 and 46,600.65

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Solution

The fourth proportional to 172,951.05, 259,407.12 and 46,600.65 is: 69,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,951.05 : 259,407.12 = 46,600.65 : x
  2. Step 2: Convert to fraction form
    172,951.05/259,407.12 = 46,600.65/x
  3. Step 3: Cross multiply
    172,951.05x = 259,407.12 × 46,600.65
  4. Step 4: Simplify right side
    172,951.05x = 12,088,540,406.63
  5. Step 5: Solve for x
    x = 12,088,540,406.63/172,951.05
  6. Step 6: Final answer
    x = 69,895.73

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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.