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Finding the Fourth Proportional to 354,070.54, 531,188.82 and 140,850.56

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Solution

The fourth proportional to 354,070.54, 531,188.82 and 140,850.56 is: 211,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,070.54 : 531,188.82 = 140,850.56 : x
  2. Step 2: Convert to fraction form
    354,070.54/531,188.82 = 140,850.56/x
  3. Step 3: Cross multiply
    354,070.54x = 531,188.82 × 140,850.56
  4. Step 4: Simplify right side
    354,070.54x = 74,818,244,090.71
  5. Step 5: Solve for x
    x = 74,818,244,090.71/354,070.54
  6. Step 6: Final answer
    x = 211,308.86

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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.