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Finding the Fourth Proportional to 103,166.59, 154,773.21 and 36,606.79

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Solution

The fourth proportional to 103,166.59, 154,773.21 and 36,606.79 is: 54,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,166.59 : 154,773.21 = 36,606.79 : x
  2. Step 2: Convert to fraction form
    103,166.59/154,773.21 = 36,606.79/x
  3. Step 3: Cross multiply
    103,166.59x = 154,773.21 × 36,606.79
  4. Step 4: Simplify right side
    103,166.59x = 5,665,750,396.10
  5. Step 5: Solve for x
    x = 5,665,750,396.10/103,166.59
  6. Step 6: Final answer
    x = 54,918.46

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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.