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Finding the Fourth Proportional to 88,164.80, 132,052.80 and 76,500.80

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Solution

The fourth proportional to 88,164.80, 132,052.80 and 76,500.80 is: 114,582.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,164.80 : 132,052.80 = 76,500.80 : x
  2. Step 2: Convert to fraction form
    88,164.80/132,052.80 = 76,500.80/x
  3. Step 3: Cross multiply
    88,164.80x = 132,052.80 × 76,500.80
  4. Step 4: Simplify right side
    88,164.80x = 10,102,144,842.24
  5. Step 5: Solve for x
    x = 10,102,144,842.24/88,164.80
  6. Step 6: Final answer
    x = 114,582.52

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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.