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Finding the Fourth Proportional to 254,583, 381,874.50 and 88,371

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Solution

The fourth proportional to 254,583, 381,874.50 and 88,371 is: 132,556.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,583 : 381,874.50 = 88,371 : x
  2. Step 2: Convert to fraction form
    254,583/381,874.50 = 88,371/x
  3. Step 3: Cross multiply
    254,583x = 381,874.50 × 88,371
  4. Step 4: Simplify right side
    254,583x = 33,746,631,439.50
  5. Step 5: Solve for x
    x = 33,746,631,439.50/254,583
  6. Step 6: Final answer
    x = 132,556.50

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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.