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Finding the Fourth Proportional to 132,527.69, 182,874.56 and 78,802.33

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Solution

The fourth proportional to 132,527.69, 182,874.56 and 78,802.33 is: 108,739.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,527.69 : 182,874.56 = 78,802.33 : x
  2. Step 2: Convert to fraction form
    132,527.69/182,874.56 = 78,802.33/x
  3. Step 3: Cross multiply
    132,527.69x = 182,874.56 × 78,802.33
  4. Step 4: Simplify right side
    132,527.69x = 14,410,940,117.34
  5. Step 5: Solve for x
    x = 14,410,940,117.34/132,527.69
  6. Step 6: Final answer
    x = 108,739.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.