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Finding the Fourth Proportional to 132,990.60, 199,583.10 and 93,624.60

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Solution

The fourth proportional to 132,990.60, 199,583.10 and 93,624.60 is: 140,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,990.60 : 199,583.10 = 93,624.60 : x
  2. Step 2: Convert to fraction form
    132,990.60/199,583.10 = 93,624.60/x
  3. Step 3: Cross multiply
    132,990.60x = 199,583.10 × 93,624.60
  4. Step 4: Simplify right side
    132,990.60x = 18,685,887,904.26
  5. Step 5: Solve for x
    x = 18,685,887,904.26/132,990.60
  6. Step 6: Final answer
    x = 140,505.33

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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.