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Finding the Fourth Proportional to 254,786.96, 382,189.08 and 67,798.64

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Solution

The fourth proportional to 254,786.96, 382,189.08 and 67,798.64 is: 101,700.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,786.96 : 382,189.08 = 67,798.64 : x
  2. Step 2: Convert to fraction form
    254,786.96/382,189.08 = 67,798.64/x
  3. Step 3: Cross multiply
    254,786.96x = 382,189.08 × 67,798.64
  4. Step 4: Simplify right side
    254,786.96x = 25,911,899,846.85
  5. Step 5: Solve for x
    x = 25,911,899,846.85/254,786.96
  6. Step 6: Final answer
    x = 101,700.26

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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.