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Finding the Fourth Proportional to 353,261.56, 529,893.90 and 113,411.90

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Solution

The fourth proportional to 353,261.56, 529,893.90 and 113,411.90 is: 170,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,261.56 : 529,893.90 = 113,411.90 : x
  2. Step 2: Convert to fraction form
    353,261.56/529,893.90 = 113,411.90/x
  3. Step 3: Cross multiply
    353,261.56x = 529,893.90 × 113,411.90
  4. Step 4: Simplify right side
    353,261.56x = 60,096,273,997.41
  5. Step 5: Solve for x
    x = 60,096,273,997.41/353,261.56
  6. Step 6: Final answer
    x = 170,118.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.