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Finding the Fourth Proportional to 88,858.79, 133,290 and 29,694.98

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Solution

The fourth proportional to 88,858.79, 133,290 and 29,694.98 is: 44,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,858.79 : 133,290 = 29,694.98 : x
  2. Step 2: Convert to fraction form
    88,858.79/133,290 = 29,694.98/x
  3. Step 3: Cross multiply
    88,858.79x = 133,290 × 29,694.98
  4. Step 4: Simplify right side
    88,858.79x = 3,958,043,217.75
  5. Step 5: Solve for x
    x = 3,958,043,217.75/88,858.79
  6. Step 6: Final answer
    x = 44,543.07

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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.