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Finding the Fourth Proportional to 103,009.33, 154,583.25 and 36,449.20

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Solution

The fourth proportional to 103,009.33, 154,583.25 and 36,449.20 is: 54,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,009.33 : 154,583.25 = 36,449.20 : x
  2. Step 2: Convert to fraction form
    103,009.33/154,583.25 = 36,449.20/x
  3. Step 3: Cross multiply
    103,009.33x = 154,583.25 × 36,449.20
  4. Step 4: Simplify right side
    103,009.33x = 5,634,435,795.90
  5. Step 5: Solve for x
    x = 5,634,435,795.90/103,009.33
  6. Step 6: Final answer
    x = 54,698.31

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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.