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Finding the Fourth Proportional to 132,838.60, 199,488.30 and 93,670.60

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Solution

The fourth proportional to 132,838.60, 199,488.30 and 93,670.60 is: 140,668.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,838.60 : 199,488.30 = 93,670.60 : x
  2. Step 2: Convert to fraction form
    132,838.60/199,488.30 = 93,670.60/x
  3. Step 3: Cross multiply
    132,838.60x = 199,488.30 × 93,670.60
  4. Step 4: Simplify right side
    132,838.60x = 18,686,188,753.98
  5. Step 5: Solve for x
    x = 18,686,188,753.98/132,838.60
  6. Step 6: Final answer
    x = 140,668.37

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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.