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Finding the Fourth Proportional to 347,784.73, 521,751.91 and 107,893.81

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Solution

The fourth proportional to 347,784.73, 521,751.91 and 107,893.81 is: 161,863.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,784.73 : 521,751.91 = 107,893.81 : x
  2. Step 2: Convert to fraction form
    347,784.73/521,751.91 = 107,893.81/x
  3. Step 3: Cross multiply
    347,784.73x = 521,751.91 × 107,893.81
  4. Step 4: Simplify right side
    347,784.73x = 56,293,801,444.68
  5. Step 5: Solve for x
    x = 56,293,801,444.68/347,784.73
  6. Step 6: Final answer
    x = 161,863.92

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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.