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Finding the Fourth Proportional to 115,818.66, 173,433.96 and 97,049.34

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Solution

The fourth proportional to 115,818.66, 173,433.96 and 97,049.34 is: 145,327.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,818.66 : 173,433.96 = 97,049.34 : x
  2. Step 2: Convert to fraction form
    115,818.66/173,433.96 = 97,049.34/x
  3. Step 3: Cross multiply
    115,818.66x = 173,433.96 × 97,049.34
  4. Step 4: Simplify right side
    115,818.66x = 16,831,651,351.59
  5. Step 5: Solve for x
    x = 16,831,651,351.59/115,818.66
  6. Step 6: Final answer
    x = 145,327.63

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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.