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Finding the Fourth Proportional to 105,848.87, 158,773.31 and 35,777.39

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Solution

The fourth proportional to 105,848.87, 158,773.31 and 35,777.39 is: 53,666.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,848.87 : 158,773.31 = 35,777.39 : x
  2. Step 2: Convert to fraction form
    105,848.87/158,773.31 = 35,777.39/x
  3. Step 3: Cross multiply
    105,848.87x = 158,773.31 × 35,777.39
  4. Step 4: Simplify right side
    105,848.87x = 5,680,494,454.57
  5. Step 5: Solve for x
    x = 5,680,494,454.57/105,848.87
  6. Step 6: Final answer
    x = 53,666.09

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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.