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Finding the Fourth Proportional to 300,147.68, 449,897.52 and 195,042.08

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Solution

The fourth proportional to 300,147.68, 449,897.52 and 195,042.08 is: 292,352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,147.68 : 449,897.52 = 195,042.08 : x
  2. Step 2: Convert to fraction form
    300,147.68/449,897.52 = 195,042.08/x
  3. Step 3: Cross multiply
    300,147.68x = 449,897.52 × 195,042.08
  4. Step 4: Simplify right side
    300,147.68x = 87,748,948,087.64
  5. Step 5: Solve for x
    x = 87,748,948,087.64/300,147.68
  6. Step 6: Final answer
    x = 292,352.58

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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.