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Finding the Fourth Proportional to 79,160.76, 118,753.43 and 26,582.54

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Solution

The fourth proportional to 79,160.76, 118,753.43 and 26,582.54 is: 39,877.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,160.76 : 118,753.43 = 26,582.54 : x
  2. Step 2: Convert to fraction form
    79,160.76/118,753.43 = 26,582.54/x
  3. Step 3: Cross multiply
    79,160.76x = 118,753.43 × 26,582.54
  4. Step 4: Simplify right side
    79,160.76x = 3,156,767,670.20
  5. Step 5: Solve for x
    x = 3,156,767,670.20/79,160.76
  6. Step 6: Final answer
    x = 39,877.94

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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.