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Finding the Fourth Proportional to 137,871.60, 206,808.84 and 58,936.56

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Solution

The fourth proportional to 137,871.60, 206,808.84 and 58,936.56 is: 88,405.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,871.60 : 206,808.84 = 58,936.56 : x
  2. Step 2: Convert to fraction form
    137,871.60/206,808.84 = 58,936.56/x
  3. Step 3: Cross multiply
    137,871.60x = 206,808.84 × 58,936.56
  4. Step 4: Simplify right side
    137,871.60x = 12,188,601,607.19
  5. Step 5: Solve for x
    x = 12,188,601,607.19/137,871.60
  6. Step 6: Final answer
    x = 88,405.46

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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.