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Finding the Fourth Proportional to 88,584, 132,876.48 and 22,920

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Solution

The fourth proportional to 88,584, 132,876.48 and 22,920 is: 34,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,584 : 132,876.48 = 22,920 : x
  2. Step 2: Convert to fraction form
    88,584/132,876.48 = 22,920/x
  3. Step 3: Cross multiply
    88,584x = 132,876.48 × 22,920
  4. Step 4: Simplify right side
    88,584x = 3,045,528,921.60
  5. Step 5: Solve for x
    x = 3,045,528,921.60/88,584
  6. Step 6: Final answer
    x = 34,380.12

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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.