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Finding the Fourth Proportional to 88,219, 132,328.50 and 22,555

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Solution

The fourth proportional to 88,219, 132,328.50 and 22,555 is: 33,832.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,219 : 132,328.50 = 22,555 : x
  2. Step 2: Convert to fraction form
    88,219/132,328.50 = 22,555/x
  3. Step 3: Cross multiply
    88,219x = 132,328.50 × 22,555
  4. Step 4: Simplify right side
    88,219x = 2,984,669,317.50
  5. Step 5: Solve for x
    x = 2,984,669,317.50/88,219
  6. Step 6: Final answer
    x = 33,832.50

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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.