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Finding the Fourth Proportional to 241,635.32, 362,379 and 115,208.90

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Solution

The fourth proportional to 241,635.32, 362,379 and 115,208.90 is: 172,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,635.32 : 362,379 = 115,208.90 : x
  2. Step 2: Convert to fraction form
    241,635.32/362,379 = 115,208.90/x
  3. Step 3: Cross multiply
    241,635.32x = 362,379 × 115,208.90
  4. Step 4: Simplify right side
    241,635.32x = 41,749,285,973.10
  5. Step 5: Solve for x
    x = 41,749,285,973.10/241,635.32
  6. Step 6: Final answer
    x = 172,778.08

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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.