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Finding the Fourth Proportional to 79,160.46, 118,740.70 and 26,571.32

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Solution

The fourth proportional to 79,160.46, 118,740.70 and 26,571.32 is: 39,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,160.46 : 118,740.70 = 26,571.32 : x
  2. Step 2: Convert to fraction form
    79,160.46/118,740.70 = 26,571.32/x
  3. Step 3: Cross multiply
    79,160.46x = 118,740.70 × 26,571.32
  4. Step 4: Simplify right side
    79,160.46x = 3,155,097,136.72
  5. Step 5: Solve for x
    x = 3,155,097,136.72/79,160.46
  6. Step 6: Final answer
    x = 39,856.98

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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.