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Finding the Fourth Proportional to 88,309.86, 132,464.85 and 21,751.35

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Solution

The fourth proportional to 88,309.86, 132,464.85 and 21,751.35 is: 32,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,309.86 : 132,464.85 = 21,751.35 : x
  2. Step 2: Convert to fraction form
    88,309.86/132,464.85 = 21,751.35/x
  3. Step 3: Cross multiply
    88,309.86x = 132,464.85 × 21,751.35
  4. Step 4: Simplify right side
    88,309.86x = 2,881,289,315.05
  5. Step 5: Solve for x
    x = 2,881,289,315.05/88,309.86
  6. Step 6: Final answer
    x = 32,627.04

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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.