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Finding the Fourth Proportional to 254,450.20, 381,675.30 and 96,670.30

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Solution

The fourth proportional to 254,450.20, 381,675.30 and 96,670.30 is: 145,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,450.20 : 381,675.30 = 96,670.30 : x
  2. Step 2: Convert to fraction form
    254,450.20/381,675.30 = 96,670.30/x
  3. Step 3: Cross multiply
    254,450.20x = 381,675.30 × 96,670.30
  4. Step 4: Simplify right side
    254,450.20x = 36,896,665,753.59
  5. Step 5: Solve for x
    x = 36,896,665,753.59/254,450.20
  6. Step 6: Final answer
    x = 145,005.45

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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.