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Finding the Fourth Proportional to 133,056.60, 199,682.10 and 93,690.60

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Solution

The fourth proportional to 133,056.60, 199,682.10 and 93,690.60 is: 140,604.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,056.60 : 199,682.10 = 93,690.60 : x
  2. Step 2: Convert to fraction form
    133,056.60/199,682.10 = 93,690.60/x
  3. Step 3: Cross multiply
    133,056.60x = 199,682.10 × 93,690.60
  4. Step 4: Simplify right side
    133,056.60x = 18,708,335,758.26
  5. Step 5: Solve for x
    x = 18,708,335,758.26/133,056.60
  6. Step 6: Final answer
    x = 140,604.34

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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.