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Finding the Fourth Proportional to 89,459.46, 134,211.18 and 44,502.03

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Solution

The fourth proportional to 89,459.46, 134,211.18 and 44,502.03 is: 66,763.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,459.46 : 134,211.18 = 44,502.03 : x
  2. Step 2: Convert to fraction form
    89,459.46/134,211.18 = 44,502.03/x
  3. Step 3: Cross multiply
    89,459.46x = 134,211.18 × 44,502.03
  4. Step 4: Simplify right side
    89,459.46x = 5,972,669,958.70
  5. Step 5: Solve for x
    x = 5,972,669,958.70/89,459.46
  6. Step 6: Final answer
    x = 66,763.98

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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.