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Finding the Fourth Proportional to 239,131.90, 330,038.31 and 181,676.98

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Solution

The fourth proportional to 239,131.90, 330,038.31 and 181,676.98 is: 250,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,131.90 : 330,038.31 = 181,676.98 : x
  2. Step 2: Convert to fraction form
    239,131.90/330,038.31 = 181,676.98/x
  3. Step 3: Cross multiply
    239,131.90x = 330,038.31 × 181,676.98
  4. Step 4: Simplify right side
    239,131.90x = 59,960,363,445.10
  5. Step 5: Solve for x
    x = 59,960,363,445.10/239,131.90
  6. Step 6: Final answer
    x = 250,741.80

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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.