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Finding the Fourth Proportional to 348,489.72, 522,740.30 and 95,768.62

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Solution

The fourth proportional to 348,489.72, 522,740.30 and 95,768.62 is: 143,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,489.72 : 522,740.30 = 95,768.62 : x
  2. Step 2: Convert to fraction form
    348,489.72/522,740.30 = 95,768.62/x
  3. Step 3: Cross multiply
    348,489.72x = 522,740.30 × 95,768.62
  4. Step 4: Simplify right side
    348,489.72x = 50,062,117,149.39
  5. Step 5: Solve for x
    x = 50,062,117,149.39/348,489.72
  6. Step 6: Final answer
    x = 143,654.50

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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.