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Finding the Fourth Proportional to 254,151.95, 381,209.90 and 119,245.64

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Solution

The fourth proportional to 254,151.95, 381,209.90 and 119,245.64 is: 178,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,151.95 : 381,209.90 = 119,245.64 : x
  2. Step 2: Convert to fraction form
    254,151.95/381,209.90 = 119,245.64/x
  3. Step 3: Cross multiply
    254,151.95x = 381,209.90 × 119,245.64
  4. Step 4: Simplify right side
    254,151.95x = 45,457,615,997.56
  5. Step 5: Solve for x
    x = 45,457,615,997.56/254,151.95
  6. Step 6: Final answer
    x = 178,860.00

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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.