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Finding the Fourth Proportional to 252,698.47, 379,046.17 and 63,157.89

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Solution

The fourth proportional to 252,698.47, 379,046.17 and 63,157.89 is: 94,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,698.47 : 379,046.17 = 63,157.89 : x
  2. Step 2: Convert to fraction form
    252,698.47/379,046.17 = 63,157.89/x
  3. Step 3: Cross multiply
    252,698.47x = 379,046.17 × 63,157.89
  4. Step 4: Simplify right side
    252,698.47x = 23,939,756,309.78
  5. Step 5: Solve for x
    x = 23,939,756,309.78/252,698.47
  6. Step 6: Final answer
    x = 94,736.45

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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.