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Finding the Fourth Proportional to 243,026.66, 335,361.06 and 134,131.98

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Solution

The fourth proportional to 243,026.66, 335,361.06 and 134,131.98 is: 185,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,026.66 : 335,361.06 = 134,131.98 : x
  2. Step 2: Convert to fraction form
    243,026.66/335,361.06 = 134,131.98/x
  3. Step 3: Cross multiply
    243,026.66x = 335,361.06 × 134,131.98
  4. Step 4: Simplify right side
    243,026.66x = 44,982,644,250.30
  5. Step 5: Solve for x
    x = 44,982,644,250.30/243,026.66
  6. Step 6: Final answer
    x = 185,093.45

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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.