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Finding the Fourth Proportional to 77,372.54, 116,019.92 and 35,848.70

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Solution

The fourth proportional to 77,372.54, 116,019.92 and 35,848.70 is: 53,755.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,372.54 : 116,019.92 = 35,848.70 : x
  2. Step 2: Convert to fraction form
    77,372.54/116,019.92 = 35,848.70/x
  3. Step 3: Cross multiply
    77,372.54x = 116,019.92 × 35,848.70
  4. Step 4: Simplify right side
    77,372.54x = 4,159,162,815.63
  5. Step 5: Solve for x
    x = 4,159,162,815.63/77,372.54
  6. Step 6: Final answer
    x = 53,755.03

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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.