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Finding the Fourth Proportional to 545,937.90, 818,761.05 and 166,857.90

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Solution

The fourth proportional to 545,937.90, 818,761.05 and 166,857.90 is: 250,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,937.90 : 818,761.05 = 166,857.90 : x
  2. Step 2: Convert to fraction form
    545,937.90/818,761.05 = 166,857.90/x
  3. Step 3: Cross multiply
    545,937.90x = 818,761.05 × 166,857.90
  4. Step 4: Simplify right side
    545,937.90x = 136,616,749,404.80
  5. Step 5: Solve for x
    x = 136,616,749,404.80/545,937.90
  6. Step 6: Final answer
    x = 250,242.29

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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.