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Finding the Fourth Proportional to 297,045.25, 445,594.07 and 83,815.03

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Solution

The fourth proportional to 297,045.25, 445,594.07 and 83,815.03 is: 125,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,045.25 : 445,594.07 = 83,815.03 : x
  2. Step 2: Convert to fraction form
    297,045.25/445,594.07 = 83,815.03/x
  3. Step 3: Cross multiply
    297,045.25x = 445,594.07 × 83,815.03
  4. Step 4: Simplify right side
    297,045.25x = 37,347,480,344.87
  5. Step 5: Solve for x
    x = 37,347,480,344.87/297,045.25
  6. Step 6: Final answer
    x = 125,729.94

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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.