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Finding the Fourth Proportional to 263,891.00, 364,168.25 and 143,031.30

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Solution

The fourth proportional to 263,891.00, 364,168.25 and 143,031.30 is: 197,382.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,891.00 : 364,168.25 = 143,031.30 : x
  2. Step 2: Convert to fraction form
    263,891.00/364,168.25 = 143,031.30/x
  3. Step 3: Cross multiply
    263,891.00x = 364,168.25 × 143,031.30
  4. Step 4: Simplify right side
    263,891.00x = 52,087,457,501.07
  5. Step 5: Solve for x
    x = 52,087,457,501.07/263,891.00
  6. Step 6: Final answer
    x = 197,382.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.