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Finding the Fourth Proportional to 295,757.76, 443,812.32 and 108,900.48

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Solution

The fourth proportional to 295,757.76, 443,812.32 and 108,900.48 is: 163,415.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,757.76 : 443,812.32 = 108,900.48 : x
  2. Step 2: Convert to fraction form
    295,757.76/443,812.32 = 108,900.48/x
  3. Step 3: Cross multiply
    295,757.76x = 443,812.32 × 108,900.48
  4. Step 4: Simplify right side
    295,757.76x = 48,331,374,677.91
  5. Step 5: Solve for x
    x = 48,331,374,677.91/295,757.76
  6. Step 6: Final answer
    x = 163,415.41

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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.