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Finding the Fourth Proportional to 252,697.28, 379,275.36 and 134,467.52

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Solution

The fourth proportional to 252,697.28, 379,275.36 and 134,467.52 is: 201,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,697.28 : 379,275.36 = 134,467.52 : x
  2. Step 2: Convert to fraction form
    252,697.28/379,275.36 = 134,467.52/x
  3. Step 3: Cross multiply
    252,697.28x = 379,275.36 × 134,467.52
  4. Step 4: Simplify right side
    252,697.28x = 51,000,217,056.31
  5. Step 5: Solve for x
    x = 51,000,217,056.31/252,697.28
  6. Step 6: Final answer
    x = 201,823.37

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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.