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Finding the Fourth Proportional to 356,750.84, 534,791.46 and 119,927.90

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Solution

The fourth proportional to 356,750.84, 534,791.46 and 119,927.90 is: 179,779.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,750.84 : 534,791.46 = 119,927.90 : x
  2. Step 2: Convert to fraction form
    356,750.84/534,791.46 = 119,927.90/x
  3. Step 3: Cross multiply
    356,750.84x = 534,791.46 × 119,927.90
  4. Step 4: Simplify right side
    356,750.84x = 64,136,416,735.73
  5. Step 5: Solve for x
    x = 64,136,416,735.73/356,750.84
  6. Step 6: Final answer
    x = 179,779.30

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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.