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Finding the Fourth Proportional to 254,399.98, 351,058.26 and 141,215.44

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Solution

The fourth proportional to 254,399.98, 351,058.26 and 141,215.44 is: 194,869.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,399.98 : 351,058.26 = 141,215.44 : x
  2. Step 2: Convert to fraction form
    254,399.98/351,058.26 = 141,215.44/x
  3. Step 3: Cross multiply
    254,399.98x = 351,058.26 × 141,215.44
  4. Step 4: Simplify right side
    254,399.98x = 49,574,845,773.89
  5. Step 5: Solve for x
    x = 49,574,845,773.89/254,399.98
  6. Step 6: Final answer
    x = 194,869.69

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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.