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Finding the Fourth Proportional to 89,992.44, 134,988.66 and 34,549.56

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Solution

The fourth proportional to 89,992.44, 134,988.66 and 34,549.56 is: 51,824.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,992.44 : 134,988.66 = 34,549.56 : x
  2. Step 2: Convert to fraction form
    89,992.44/134,988.66 = 34,549.56/x
  3. Step 3: Cross multiply
    89,992.44x = 134,988.66 × 34,549.56
  4. Step 4: Simplify right side
    89,992.44x = 4,663,798,807.99
  5. Step 5: Solve for x
    x = 4,663,798,807.99/89,992.44
  6. Step 6: Final answer
    x = 51,824.34

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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.