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Finding the Fourth Proportional to 140,793.86, 211,191.49 and 35,612.93

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Solution

The fourth proportional to 140,793.86, 211,191.49 and 35,612.93 is: 53,419.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,793.86 : 211,191.49 = 35,612.93 : x
  2. Step 2: Convert to fraction form
    140,793.86/211,191.49 = 35,612.93/x
  3. Step 3: Cross multiply
    140,793.86x = 211,191.49 × 35,612.93
  4. Step 4: Simplify right side
    140,793.86x = 7,521,147,749.97
  5. Step 5: Solve for x
    x = 7,521,147,749.97/140,793.86
  6. Step 6: Final answer
    x = 53,419.57

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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.