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Finding the Fourth Proportional to 299,044.34, 448,653.09 and 88,687.34

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Solution

The fourth proportional to 299,044.34, 448,653.09 and 88,687.34 is: 133,056.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,044.34 : 448,653.09 = 88,687.34 : x
  2. Step 2: Convert to fraction form
    299,044.34/448,653.09 = 88,687.34/x
  3. Step 3: Cross multiply
    299,044.34x = 448,653.09 × 88,687.34
  4. Step 4: Simplify right side
    299,044.34x = 39,789,849,134.88
  5. Step 5: Solve for x
    x = 39,789,849,134.88/299,044.34
  6. Step 6: Final answer
    x = 133,056.69

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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.