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Finding the Fourth Proportional to 106,599.60, 159,688.80 and 54,046.80

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Solution

The fourth proportional to 106,599.60, 159,688.80 and 54,046.80 is: 80,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,599.60 : 159,688.80 = 54,046.80 : x
  2. Step 2: Convert to fraction form
    106,599.60/159,688.80 = 54,046.80/x
  3. Step 3: Cross multiply
    106,599.60x = 159,688.80 × 54,046.80
  4. Step 4: Simplify right side
    106,599.60x = 8,630,668,635.84
  5. Step 5: Solve for x
    x = 8,630,668,635.84/106,599.60
  6. Step 6: Final answer
    x = 80,963.42

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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.