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Finding the Fourth Proportional to 300,025.52, 450,003.64 and 75,368.87

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Solution

The fourth proportional to 300,025.52, 450,003.64 and 75,368.87 is: 113,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,025.52 : 450,003.64 = 75,368.87 : x
  2. Step 2: Convert to fraction form
    300,025.52/450,003.64 = 75,368.87/x
  3. Step 3: Cross multiply
    300,025.52x = 450,003.64 × 75,368.87
  4. Step 4: Simplify right side
    300,025.52x = 33,916,266,779.27
  5. Step 5: Solve for x
    x = 33,916,266,779.27/300,025.52
  6. Step 6: Final answer
    x = 113,044.61

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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.