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Finding the Fourth Proportional to 73,332.89, 109,999.74 and 26,584.55

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Solution

The fourth proportional to 73,332.89, 109,999.74 and 26,584.55 is: 39,876.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,332.89 : 109,999.74 = 26,584.55 : x
  2. Step 2: Convert to fraction form
    73,332.89/109,999.74 = 26,584.55/x
  3. Step 3: Cross multiply
    73,332.89x = 109,999.74 × 26,584.55
  4. Step 4: Simplify right side
    73,332.89x = 2,924,293,588.02
  5. Step 5: Solve for x
    x = 2,924,293,588.02/73,332.89
  6. Step 6: Final answer
    x = 39,876.97

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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.