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Finding the Fourth Proportional to 266,437.16, 367,682.72 and 145,579.31

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Solution

The fourth proportional to 266,437.16, 367,682.72 and 145,579.31 is: 200,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,437.16 : 367,682.72 = 145,579.31 : x
  2. Step 2: Convert to fraction form
    266,437.16/367,682.72 = 145,579.31/x
  3. Step 3: Cross multiply
    266,437.16x = 367,682.72 × 145,579.31
  4. Step 4: Simplify right side
    266,437.16x = 53,526,995,489.02
  5. Step 5: Solve for x
    x = 53,526,995,489.02/266,437.16
  6. Step 6: Final answer
    x = 200,899.14

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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.