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Finding the Fourth Proportional to 250,943.70, 376,184.50 and 108,699.60

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Solution

The fourth proportional to 250,943.70, 376,184.50 and 108,699.60 is: 162,949.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,943.70 : 376,184.50 = 108,699.60 : x
  2. Step 2: Convert to fraction form
    250,943.70/376,184.50 = 108,699.60/x
  3. Step 3: Cross multiply
    250,943.70x = 376,184.50 × 108,699.60
  4. Step 4: Simplify right side
    250,943.70x = 40,891,104,676.20
  5. Step 5: Solve for x
    x = 40,891,104,676.20/250,943.70
  6. Step 6: Final answer
    x = 162,949.32

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1.5x scale

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.