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Finding the Fourth Proportional to 103,166.97, 154,773.69 and 36,607.01

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Solution

The fourth proportional to 103,166.97, 154,773.69 and 36,607.01 is: 54,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,166.97 : 154,773.69 = 36,607.01 : x
  2. Step 2: Convert to fraction form
    103,166.97/154,773.69 = 36,607.01/x
  3. Step 3: Cross multiply
    103,166.97x = 154,773.69 × 36,607.01
  4. Step 4: Simplify right side
    103,166.97x = 5,665,801,106.42
  5. Step 5: Solve for x
    x = 5,665,801,106.42/103,166.97
  6. Step 6: Final answer
    x = 54,918.75

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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.