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Finding the Fourth Proportional to 239,893.86, 331,051.38 and 132,461.58

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Solution

The fourth proportional to 239,893.86, 331,051.38 and 132,461.58 is: 182,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,893.86 : 331,051.38 = 132,461.58 : x
  2. Step 2: Convert to fraction form
    239,893.86/331,051.38 = 132,461.58/x
  3. Step 3: Cross multiply
    239,893.86x = 331,051.38 × 132,461.58
  4. Step 4: Simplify right side
    239,893.86x = 43,851,588,855.98
  5. Step 5: Solve for x
    x = 43,851,588,855.98/239,893.86
  6. Step 6: Final answer
    x = 182,795.80

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1.5x scale

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.