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Finding the Fourth Proportional to 299,798.48, 449,697.72 and 89,584.04

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Solution

The fourth proportional to 299,798.48, 449,697.72 and 89,584.04 is: 134,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,798.48 : 449,697.72 = 89,584.04 : x
  2. Step 2: Convert to fraction form
    299,798.48/449,697.72 = 89,584.04/x
  3. Step 3: Cross multiply
    299,798.48x = 449,697.72 × 89,584.04
  4. Step 4: Simplify right side
    299,798.48x = 40,285,738,536.39
  5. Step 5: Solve for x
    x = 40,285,738,536.39/299,798.48
  6. Step 6: Final answer
    x = 134,376.06

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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.