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Finding the Fourth Proportional to 183,744.90, 275,471.55 and 100,638.90

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Solution

The fourth proportional to 183,744.90, 275,471.55 and 100,638.90 is: 150,878.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,744.90 : 275,471.55 = 100,638.90 : x
  2. Step 2: Convert to fraction form
    183,744.90/275,471.55 = 100,638.90/x
  3. Step 3: Cross multiply
    183,744.90x = 275,471.55 × 100,638.90
  4. Step 4: Simplify right side
    183,744.90x = 27,723,153,773.30
  5. Step 5: Solve for x
    x = 27,723,153,773.30/183,744.90
  6. Step 6: Final answer
    x = 150,878.49

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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.