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Finding the Fourth Proportional to 239,285.88, 330,191.94 and 141,153.84

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Solution

The fourth proportional to 239,285.88, 330,191.94 and 141,153.84 is: 194,778.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,285.88 : 330,191.94 = 141,153.84 : x
  2. Step 2: Convert to fraction form
    239,285.88/330,191.94 = 141,153.84/x
  3. Step 3: Cross multiply
    239,285.88x = 330,191.94 × 141,153.84
  4. Step 4: Simplify right side
    239,285.88x = 46,607,860,268.05
  5. Step 5: Solve for x
    x = 46,607,860,268.05/239,285.88
  6. Step 6: Final answer
    x = 194,778.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.