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Finding the Fourth Proportional to 98,349.89, 147,524.84 and 45,697.87

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Solution

The fourth proportional to 98,349.89, 147,524.84 and 45,697.87 is: 68,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,349.89 : 147,524.84 = 45,697.87 : x
  2. Step 2: Convert to fraction form
    98,349.89/147,524.84 = 45,697.87/x
  3. Step 3: Cross multiply
    98,349.89x = 147,524.84 × 45,697.87
  4. Step 4: Simplify right side
    98,349.89x = 6,741,569,993.98
  5. Step 5: Solve for x
    x = 6,741,569,993.98/98,349.89
  6. Step 6: Final answer
    x = 68,546.80

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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.