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Finding the Fourth Proportional to 347,783.73, 521,750.41 and 107,892.81

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Solution

The fourth proportional to 347,783.73, 521,750.41 and 107,892.81 is: 161,862.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,783.73 : 521,750.41 = 107,892.81 : x
  2. Step 2: Convert to fraction form
    347,783.73/521,750.41 = 107,892.81/x
  3. Step 3: Cross multiply
    347,783.73x = 521,750.41 × 107,892.81
  4. Step 4: Simplify right side
    347,783.73x = 56,293,118,190.72
  5. Step 5: Solve for x
    x = 56,293,118,190.72/347,783.73
  6. Step 6: Final answer
    x = 161,862.43

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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.