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Finding the Fourth Proportional to 299,034.67, 448,475.01 and 88,623.40

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Solution

The fourth proportional to 299,034.67, 448,475.01 and 88,623.40 is: 132,912.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,034.67 : 448,475.01 = 88,623.40 : x
  2. Step 2: Convert to fraction form
    299,034.67/448,475.01 = 88,623.40/x
  3. Step 3: Cross multiply
    299,034.67x = 448,475.01 × 88,623.40
  4. Step 4: Simplify right side
    299,034.67x = 39,745,380,201.23
  5. Step 5: Solve for x
    x = 39,745,380,201.23/299,034.67
  6. Step 6: Final answer
    x = 132,912.28

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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.