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Finding the Fourth Proportional to 88,913.80, 133,370.70 and 82,433.80

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Solution

The fourth proportional to 88,913.80, 133,370.70 and 82,433.80 is: 123,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,913.80 : 133,370.70 = 82,433.80 : x
  2. Step 2: Convert to fraction form
    88,913.80/133,370.70 = 82,433.80/x
  3. Step 3: Cross multiply
    88,913.80x = 133,370.70 × 82,433.80
  4. Step 4: Simplify right side
    88,913.80x = 10,994,253,609.66
  5. Step 5: Solve for x
    x = 10,994,253,609.66/88,913.80
  6. Step 6: Final answer
    x = 123,650.70

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1.5x scale

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.