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Finding the Fourth Proportional to 79,339.31, 119,009.37 and 26,749.25

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Solution

The fourth proportional to 79,339.31, 119,009.37 and 26,749.25 is: 40,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,339.31 : 119,009.37 = 26,749.25 : x
  2. Step 2: Convert to fraction form
    79,339.31/119,009.37 = 26,749.25/x
  3. Step 3: Cross multiply
    79,339.31x = 119,009.37 × 26,749.25
  4. Step 4: Simplify right side
    79,339.31x = 3,183,411,256.73
  5. Step 5: Solve for x
    x = 3,183,411,256.73/79,339.31
  6. Step 6: Final answer
    x = 40,124.01

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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.