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Finding the Fourth Proportional to 264,767.73, 365,381.70 and 143,909.00

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Solution

The fourth proportional to 264,767.73, 365,381.70 and 143,909.00 is: 198,595.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,767.73 : 365,381.70 = 143,909.00 : x
  2. Step 2: Convert to fraction form
    264,767.73/365,381.70 = 143,909.00/x
  3. Step 3: Cross multiply
    264,767.73x = 365,381.70 × 143,909.00
  4. Step 4: Simplify right side
    264,767.73x = 52,581,713,238.39
  5. Step 5: Solve for x
    x = 52,581,713,238.39/264,767.73
  6. Step 6: Final answer
    x = 198,595.63

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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.