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Finding the Fourth Proportional to 99,466.34, 137,269.77 and 54,754.34

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Solution

The fourth proportional to 99,466.34, 137,269.77 and 54,754.34 is: 75,564.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,466.34 : 137,269.77 = 54,754.34 : x
  2. Step 2: Convert to fraction form
    99,466.34/137,269.77 = 54,754.34/x
  3. Step 3: Cross multiply
    99,466.34x = 137,269.77 × 54,754.34
  4. Step 4: Simplify right side
    99,466.34x = 7,516,115,658.30
  5. Step 5: Solve for x
    x = 7,516,115,658.30/99,466.34
  6. Step 6: Final answer
    x = 75,564.41

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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.