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Finding the Fourth Proportional to 132,992.76, 199,521.72 and 39,498.60

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Solution

The fourth proportional to 132,992.76, 199,521.72 and 39,498.60 is: 59,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,992.76 : 199,521.72 = 39,498.60 : x
  2. Step 2: Convert to fraction form
    132,992.76/199,521.72 = 39,498.60/x
  3. Step 3: Cross multiply
    132,992.76x = 199,521.72 × 39,498.60
  4. Step 4: Simplify right side
    132,992.76x = 7,880,828,609.59
  5. Step 5: Solve for x
    x = 7,880,828,609.59/132,992.76
  6. Step 6: Final answer
    x = 59,257.58

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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.