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Finding the Fourth Proportional to 88,794.70, 133,078.65 and 36,144.70

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Solution

The fourth proportional to 88,794.70, 133,078.65 and 36,144.70 is: 54,170.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,794.70 : 133,078.65 = 36,144.70 : x
  2. Step 2: Convert to fraction form
    88,794.70/133,078.65 = 36,144.70/x
  3. Step 3: Cross multiply
    88,794.70x = 133,078.65 × 36,144.70
  4. Step 4: Simplify right side
    88,794.70x = 4,810,087,880.66
  5. Step 5: Solve for x
    x = 4,810,087,880.66/88,794.70
  6. Step 6: Final answer
    x = 54,170.89

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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.