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Finding the Fourth Proportional to 238,480.44, 357,454.22 and 103,388.56

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Solution

The fourth proportional to 238,480.44, 357,454.22 and 103,388.56 is: 154,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,480.44 : 357,454.22 = 103,388.56 : x
  2. Step 2: Convert to fraction form
    238,480.44/357,454.22 = 103,388.56/x
  3. Step 3: Cross multiply
    238,480.44x = 357,454.22 × 103,388.56
  4. Step 4: Simplify right side
    238,480.44x = 36,956,677,071.72
  5. Step 5: Solve for x
    x = 36,956,677,071.72/238,480.44
  6. Step 6: Final answer
    x = 154,967.33

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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.