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Finding the Fourth Proportional to 92,576.40, 138,835.80 and 33,404.36

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Solution

The fourth proportional to 92,576.40, 138,835.80 and 33,404.36 is: 50,096.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,576.40 : 138,835.80 = 33,404.36 : x
  2. Step 2: Convert to fraction form
    92,576.40/138,835.80 = 33,404.36/x
  3. Step 3: Cross multiply
    92,576.40x = 138,835.80 × 33,404.36
  4. Step 4: Simplify right side
    92,576.40x = 4,637,721,044.09
  5. Step 5: Solve for x
    x = 4,637,721,044.09/92,576.40
  6. Step 6: Final answer
    x = 50,096.15

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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.