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Finding the Fourth Proportional to 89,074.60, 133,698.30 and 44,751.40

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Solution

The fourth proportional to 89,074.60, 133,698.30 and 44,751.40 is: 67,170.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,074.60 : 133,698.30 = 44,751.40 : x
  2. Step 2: Convert to fraction form
    89,074.60/133,698.30 = 44,751.40/x
  3. Step 3: Cross multiply
    89,074.60x = 133,698.30 × 44,751.40
  4. Step 4: Simplify right side
    89,074.60x = 5,983,186,102.62
  5. Step 5: Solve for x
    x = 5,983,186,102.62/89,074.60
  6. Step 6: Final answer
    x = 67,170.51

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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.