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Finding the Fourth Proportional to 114,645.26, 171,966.26 and 80,771.27

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Solution

The fourth proportional to 114,645.26, 171,966.26 and 80,771.27 is: 121,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,645.26 : 171,966.26 = 80,771.27 : x
  2. Step 2: Convert to fraction form
    114,645.26/171,966.26 = 80,771.27/x
  3. Step 3: Cross multiply
    114,645.26x = 171,966.26 × 80,771.27
  4. Step 4: Simplify right side
    114,645.26x = 13,889,931,953.66
  5. Step 5: Solve for x
    x = 13,889,931,953.66/114,645.26
  6. Step 6: Final answer
    x = 121,155.75

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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.