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Finding the Fourth Proportional to 99,348.62, 137,102.01 and 54,027.03

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Solution

The fourth proportional to 99,348.62, 137,102.01 and 54,027.03 is: 74,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,348.62 : 137,102.01 = 54,027.03 : x
  2. Step 2: Convert to fraction form
    99,348.62/137,102.01 = 54,027.03/x
  3. Step 3: Cross multiply
    99,348.62x = 137,102.01 × 54,027.03
  4. Step 4: Simplify right side
    99,348.62x = 7,407,214,765.70
  5. Step 5: Solve for x
    x = 7,407,214,765.70/99,348.62
  6. Step 6: Final answer
    x = 74,557.80

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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.