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Finding the Fourth Proportional to 70,917.50, 106,394.48 and 26,544.89

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Solution

The fourth proportional to 70,917.50, 106,394.48 and 26,544.89 is: 39,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,917.50 : 106,394.48 = 26,544.89 : x
  2. Step 2: Convert to fraction form
    70,917.50/106,394.48 = 26,544.89/x
  3. Step 3: Cross multiply
    70,917.50x = 106,394.48 × 26,544.89
  4. Step 4: Simplify right side
    70,917.50x = 2,824,229,768.21
  5. Step 5: Solve for x
    x = 2,824,229,768.21/70,917.50
  6. Step 6: Final answer
    x = 39,824.16

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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.