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Finding the Fourth Proportional to 266,427.32, 367,665.36 and 145,566.01

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Solution

The fourth proportional to 266,427.32, 367,665.36 and 145,566.01 is: 200,878.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,427.32 : 367,665.36 = 145,566.01 : x
  2. Step 2: Convert to fraction form
    266,427.32/367,665.36 = 145,566.01/x
  3. Step 3: Cross multiply
    266,427.32x = 367,665.36 × 145,566.01
  4. Step 4: Simplify right side
    266,427.32x = 53,519,577,632.09
  5. Step 5: Solve for x
    x = 53,519,577,632.09/266,427.32
  6. Step 6: Final answer
    x = 200,878.71

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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.