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Finding the Fourth Proportional to 238,443.24, 357,720.26 and 69,956.76

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Solution

The fourth proportional to 238,443.24, 357,720.26 and 69,956.76 is: 104,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,443.24 : 357,720.26 = 69,956.76 : x
  2. Step 2: Convert to fraction form
    238,443.24/357,720.26 = 69,956.76/x
  3. Step 3: Cross multiply
    238,443.24x = 357,720.26 × 69,956.76
  4. Step 4: Simplify right side
    238,443.24x = 25,024,950,375.96
  5. Step 5: Solve for x
    x = 25,024,950,375.96/238,443.24
  6. Step 6: Final answer
    x = 104,951.39

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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.