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Finding the Fourth Proportional to 255,994.33, 383,961.51 and 160,943.89

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Solution

The fourth proportional to 255,994.33, 383,961.51 and 160,943.89 is: 241,396.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,994.33 : 383,961.51 = 160,943.89 : x
  2. Step 2: Convert to fraction form
    255,994.33/383,961.51 = 160,943.89/x
  3. Step 3: Cross multiply
    255,994.33x = 383,961.51 × 160,943.89
  4. Step 4: Simplify right side
    255,994.33x = 61,796,260,026.40
  5. Step 5: Solve for x
    x = 61,796,260,026.40/255,994.33
  6. Step 6: Final answer
    x = 241,396.99

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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.