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Finding the Fourth Proportional to 241,114.40, 361,671.59 and 81,176.96

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Solution

The fourth proportional to 241,114.40, 361,671.59 and 81,176.96 is: 121,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,114.40 : 361,671.59 = 81,176.96 : x
  2. Step 2: Convert to fraction form
    241,114.40/361,671.59 = 81,176.96/x
  3. Step 3: Cross multiply
    241,114.40x = 361,671.59 × 81,176.96
  4. Step 4: Simplify right side
    241,114.40x = 29,359,397,980.32
  5. Step 5: Solve for x
    x = 29,359,397,980.32/241,114.40
  6. Step 6: Final answer
    x = 121,765.43

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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.