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Finding the Fourth Proportional to 254,106.40, 381,310.80 and 96,350.80

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Solution

The fourth proportional to 254,106.40, 381,310.80 and 96,350.80 is: 144,583.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,106.40 : 381,310.80 = 96,350.80 : x
  2. Step 2: Convert to fraction form
    254,106.40/381,310.80 = 96,350.80/x
  3. Step 3: Cross multiply
    254,106.40x = 381,310.80 × 96,350.80
  4. Step 4: Simplify right side
    254,106.40x = 36,739,600,628.64
  5. Step 5: Solve for x
    x = 36,739,600,628.64/254,106.40
  6. Step 6: Final answer
    x = 144,583.53

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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.