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Finding the Fourth Proportional to 115,697.68, 173,539.22 and 36,868.48

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Solution

The fourth proportional to 115,697.68, 173,539.22 and 36,868.48 is: 55,300.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,697.68 : 173,539.22 = 36,868.48 : x
  2. Step 2: Convert to fraction form
    115,697.68/173,539.22 = 36,868.48/x
  3. Step 3: Cross multiply
    115,697.68x = 173,539.22 × 36,868.48
  4. Step 4: Simplify right side
    115,697.68x = 6,398,127,261.79
  5. Step 5: Solve for x
    x = 6,398,127,261.79/115,697.68
  6. Step 6: Final answer
    x = 55,300.39

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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.