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Finding the Fourth Proportional to 103,091.71, 154,593.81 and 36,548.59

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Solution

The fourth proportional to 103,091.71, 154,593.81 and 36,548.59 is: 54,807.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,091.71 : 154,593.81 = 36,548.59 : x
  2. Step 2: Convert to fraction form
    103,091.71/154,593.81 = 36,548.59/x
  3. Step 3: Cross multiply
    103,091.71x = 154,593.81 × 36,548.59
  4. Step 4: Simplify right side
    103,091.71x = 5,650,185,778.23
  5. Step 5: Solve for x
    x = 5,650,185,778.23/103,091.71
  6. Step 6: Final answer
    x = 54,807.37

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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.