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Finding the Fourth Proportional to 374,359.80, 561,372.84 and 108,057

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Solution

The fourth proportional to 374,359.80, 561,372.84 and 108,057 is: 162,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,359.80 : 561,372.84 = 108,057 : x
  2. Step 2: Convert to fraction form
    374,359.80/561,372.84 = 108,057/x
  3. Step 3: Cross multiply
    374,359.80x = 561,372.84 × 108,057
  4. Step 4: Simplify right side
    374,359.80x = 60,660,264,971.88
  5. Step 5: Solve for x
    x = 60,660,264,971.88/374,359.80
  6. Step 6: Final answer
    x = 162,037.34

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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.