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Finding the Fourth Proportional to 270,755.89, 373,646.04 and 149,899.03

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Solution

The fourth proportional to 270,755.89, 373,646.04 and 149,899.03 is: 206,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,755.89 : 373,646.04 = 149,899.03 : x
  2. Step 2: Convert to fraction form
    270,755.89/373,646.04 = 149,899.03/x
  3. Step 3: Cross multiply
    270,755.89x = 373,646.04 × 149,899.03
  4. Step 4: Simplify right side
    270,755.89x = 56,009,177,463.10
  5. Step 5: Solve for x
    x = 56,009,177,463.10/270,755.89
  6. Step 6: Final answer
    x = 206,862.27

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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.