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Finding the Fourth Proportional to 103,191.08, 154,802 and 36,625.64

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Solution

The fourth proportional to 103,191.08, 154,802 and 36,625.64 is: 54,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,191.08 : 154,802 = 36,625.64 : x
  2. Step 2: Convert to fraction form
    103,191.08/154,802 = 36,625.64/x
  3. Step 3: Cross multiply
    103,191.08x = 154,802 × 36,625.64
  4. Step 4: Simplify right side
    103,191.08x = 5,669,722,323.28
  5. Step 5: Solve for x
    x = 5,669,722,323.28/103,191.08
  6. Step 6: Final answer
    x = 54,943.92

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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.