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Finding the Fourth Proportional to 450,515.52, 675,795.72 and 134,942.34

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Solution

The fourth proportional to 450,515.52, 675,795.72 and 134,942.34 is: 202,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,515.52 : 675,795.72 = 134,942.34 : x
  2. Step 2: Convert to fraction form
    450,515.52/675,795.72 = 134,942.34/x
  3. Step 3: Cross multiply
    450,515.52x = 675,795.72 × 134,942.34
  4. Step 4: Simplify right side
    450,515.52x = 91,193,455,818.78
  5. Step 5: Solve for x
    x = 91,193,455,818.78/450,515.52
  6. Step 6: Final answer
    x = 202,420.23

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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.