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Finding the Fourth Proportional to 89,788.44, 134,681.77 and 34,384.44

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Solution

The fourth proportional to 89,788.44, 134,681.77 and 34,384.44 is: 51,576.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,788.44 : 134,681.77 = 34,384.44 : x
  2. Step 2: Convert to fraction form
    89,788.44/134,681.77 = 34,384.44/x
  3. Step 3: Cross multiply
    89,788.44x = 134,681.77 × 34,384.44
  4. Step 4: Simplify right side
    89,788.44x = 4,630,957,239.66
  5. Step 5: Solve for x
    x = 4,630,957,239.66/89,788.44
  6. Step 6: Final answer
    x = 51,576.32

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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.