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Finding the Fourth Proportional to 115,346.88, 173,021.76 and 36,468

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Solution

The fourth proportional to 115,346.88, 173,021.76 and 36,468 is: 54,702.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,346.88 : 173,021.76 = 36,468 : x
  2. Step 2: Convert to fraction form
    115,346.88/173,021.76 = 36,468/x
  3. Step 3: Cross multiply
    115,346.88x = 173,021.76 × 36,468
  4. Step 4: Simplify right side
    115,346.88x = 6,309,757,543.68
  5. Step 5: Solve for x
    x = 6,309,757,543.68/115,346.88
  6. Step 6: Final answer
    x = 54,702.46

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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.