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Finding the Fourth Proportional to 88,520, 132,780.24 and 22,856

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Solution

The fourth proportional to 88,520, 132,780.24 and 22,856 is: 34,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,520 : 132,780.24 = 22,856 : x
  2. Step 2: Convert to fraction form
    88,520/132,780.24 = 22,856/x
  3. Step 3: Cross multiply
    88,520x = 132,780.24 × 22,856
  4. Step 4: Simplify right side
    88,520x = 3,034,825,165.44
  5. Step 5: Solve for x
    x = 3,034,825,165.44/88,520
  6. Step 6: Final answer
    x = 34,284.06

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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.