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Finding the Fourth Proportional to 363,747.88, 545,707.42 and 114,429.80

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Solution

The fourth proportional to 363,747.88, 545,707.42 and 114,429.80 is: 171,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,747.88 : 545,707.42 = 114,429.80 : x
  2. Step 2: Convert to fraction form
    363,747.88/545,707.42 = 114,429.80/x
  3. Step 3: Cross multiply
    363,747.88x = 545,707.42 × 114,429.80
  4. Step 4: Simplify right side
    363,747.88x = 62,445,190,929.12
  5. Step 5: Solve for x
    x = 62,445,190,929.12/363,747.88
  6. Step 6: Final answer
    x = 171,671.63

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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.