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Finding the Fourth Proportional to 254,100.68, 381,206.06 and 76,592.84

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Solution

The fourth proportional to 254,100.68, 381,206.06 and 76,592.84 is: 114,905.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,100.68 : 381,206.06 = 76,592.84 : x
  2. Step 2: Convert to fraction form
    254,100.68/381,206.06 = 76,592.84/x
  3. Step 3: Cross multiply
    254,100.68x = 381,206.06 × 76,592.84
  4. Step 4: Simplify right side
    254,100.68x = 29,197,654,760.61
  5. Step 5: Solve for x
    x = 29,197,654,760.61/254,100.68
  6. Step 6: Final answer
    x = 114,905.85

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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.