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Finding the Fourth Proportional to 545,882.69, 818,971.45 and 166,793.07

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Solution

The fourth proportional to 545,882.69, 818,971.45 and 166,793.07 is: 250,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,882.69 : 818,971.45 = 166,793.07 : x
  2. Step 2: Convert to fraction form
    545,882.69/818,971.45 = 166,793.07/x
  3. Step 3: Cross multiply
    545,882.69x = 818,971.45 × 166,793.07
  4. Step 4: Simplify right side
    545,882.69x = 136,598,762,387.85
  5. Step 5: Solve for x
    x = 136,598,762,387.85/545,882.69
  6. Step 6: Final answer
    x = 250,234.65

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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.