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Finding the Fourth Proportional to 88,884.60, 133,346.10 and 26,561.40

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Solution

The fourth proportional to 88,884.60, 133,346.10 and 26,561.40 is: 39,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,884.60 : 133,346.10 = 26,561.40 : x
  2. Step 2: Convert to fraction form
    88,884.60/133,346.10 = 26,561.40/x
  3. Step 3: Cross multiply
    88,884.60x = 133,346.10 × 26,561.40
  4. Step 4: Simplify right side
    88,884.60x = 3,541,859,100.54
  5. Step 5: Solve for x
    x = 3,541,859,100.54/88,884.60
  6. Step 6: Final answer
    x = 39,847.84

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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.