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Finding the Fourth Proportional to 79,201.72, 118,801.50 and 26,603.56

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Solution

The fourth proportional to 79,201.72, 118,801.50 and 26,603.56 is: 39,904.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,201.72 : 118,801.50 = 26,603.56 : x
  2. Step 2: Convert to fraction form
    79,201.72/118,801.50 = 26,603.56/x
  3. Step 3: Cross multiply
    79,201.72x = 118,801.50 × 26,603.56
  4. Step 4: Simplify right side
    79,201.72x = 3,160,542,833.34
  5. Step 5: Solve for x
    x = 3,160,542,833.34/79,201.72
  6. Step 6: Final answer
    x = 39,904.98

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1.5x scale

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.