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Finding the Fourth Proportional to 70,494.69, 105,765.72 and 26,125.02

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Solution

The fourth proportional to 70,494.69, 105,765.72 and 26,125.02 is: 39,196.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,494.69 : 105,765.72 = 26,125.02 : x
  2. Step 2: Convert to fraction form
    70,494.69/105,765.72 = 26,125.02/x
  3. Step 3: Cross multiply
    70,494.69x = 105,765.72 × 26,125.02
  4. Step 4: Simplify right side
    70,494.69x = 2,763,131,550.31
  5. Step 5: Solve for x
    x = 2,763,131,550.31/70,494.69
  6. Step 6: Final answer
    x = 39,196.31

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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.