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Finding the Fourth Proportional to 171,305.85, 236,399.21 and 94,823.31

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Solution

The fourth proportional to 171,305.85, 236,399.21 and 94,823.31 is: 130,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,305.85 : 236,399.21 = 94,823.31 : x
  2. Step 2: Convert to fraction form
    171,305.85/236,399.21 = 94,823.31/x
  3. Step 3: Cross multiply
    171,305.85x = 236,399.21 × 94,823.31
  4. Step 4: Simplify right side
    171,305.85x = 22,416,155,573.59
  5. Step 5: Solve for x
    x = 22,416,155,573.59/171,305.85
  6. Step 6: Final answer
    x = 130,854.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.